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行業資訊 了解行業的最新資訊
2021 - 04 - 21
由(you)于(yu)羅茨真(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)已被(bei)廣泛使(shi)用(yong)(yong),其(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)優點已為(wei)(wei)所有人所公認,為(wei)(wei)了(le)更(geng)好(hao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)應用(yong)(yong),讓我們了(le)解(jie)羅茨真(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)設計的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)處(chu)理問題。  羅茨真(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)關(guan)鍵(jian)(jian)部(bu)分是(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi),轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)關(guan)鍵(jian)(jian)是(shi)其(qi)輪(lun)(lun)(lun)廓(kuo)(kuo)(kuo)。轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)橫截面的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)外(wai)輪(lun)(lun)(lun)廓(kuo)(kuo)(kuo)線是(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)輪(lun)(lun)(lun)廓(kuo)(kuo)(kuo)線。當泵(beng)(beng)(beng)(beng)運行(xing)時(shi),其(qi)關(guan)鍵(jian)(jian)部(bu)分是(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi),而(er)轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)關(guan)鍵(jian)(jian)元素是(shi)其(qi)輪(lun)(lun)(lun)廓(kuo)(kuo)(kuo),因此(ci)泵(beng)(beng)(beng)(beng)正(zheng)在運行(xing)。轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)外(wai)表面之(zhi)(zhi)(zhi)間(jian)(jian)(jian)(jian)(jian)(jian)(jian)沒有接觸,但(dan)是(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)之(zhi)(zhi)(zhi)間(jian)(jian)(jian)(jian)(jian)(jian)(jian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)間(jian)(jian)(jian)(jian)(jian)(jian)(jian)距必(bi)(bi)須(xu)保持恒定,因此(ci)轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)形狀必(bi)(bi)須(xu)成為(wei)(wei)共軛曲線。在實(shi)際設計中,選(xuan)(xuan)(xuan)(xuan)擇(ze)轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)外(wai)形時(shi),羅茨真(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)體積應用(yong)(yong)系(xi)數(shu)應盡可(ke)(ke)能大(da),即轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)所占的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)體積應較(jiao)小(xiao)。轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)必(bi)(bi)須(xu)具(ju)有良好(hao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)幾何(he)對(dui)稱性(xing),以(yi)(yi)確保穩(wen)定的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)運行(xing)和(he)良好(hao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)互換性(xing)。為(wei)(wei)了(le)確保轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)具(ju)有足夠的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)強度,轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)必(bi)(bi)須(xu)易于(yu)加工并且易于(yu)獲得(de)(de)更(geng)高的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)精(jing)度。  為(wei)(wei)了(le)控(kong)制(zhi)羅茨真(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)之(zhi)(zhi)(zhi)間(jian)(jian)(jian)(jian)(jian)(jian)(jian)以(yi)(yi)及轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)與泵(beng)(beng)(beng)(beng)殼之(zhi)(zhi)(zhi)間(jian)(jian)(jian)(jian)(jian)(jian)(jian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)空(kong)(kong)(kong)間(jian)(jian)(jian)(jian)(jian)(jian)(jian),必(bi)(bi)須(xu)將軸(zhou)(zhou)(zhou)承(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)軸(zhou)(zhou)(zhou)向(xiang)和(he)徑向(xiang)位移控(kong)制(zhi)在一定范圍(wei)內。在設計時(shi),必(bi)(bi)須(xu)正(zheng)確選(xuan)(xuan)(xuan)(xuan)擇(ze)軸(zhou)(zhou)(zhou)承(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)精(jing)度,并且必(bi)(bi)須(xu)為(wei)(wei)泵(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)工作條件選(xuan)(xuan)(xuan)(xuan)擇(ze)合適的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)軸(zhou)(zhou)(zhou)承(cheng)型(xing)號。考(kao)慮到轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)軸(zhou)(zhou)(zhou)向(xiang)熱收(shou)縮的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)影(ying)響,轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)軸(zhou)(zhou)(zhou)必(bi)(bi)須(xu)具(ju)有活動(dong)(dong)(dong)端(duan)(duan)(通(tong)常(chang)是(shi)齒(chi)(chi)(chi)輪(lun)(lun)(lun)端(duan)(duan)),以(yi)(yi)允許軸(zhou)(zhou)(zhou)由(you)于(yu)熱收(shou)縮和(he)其(qi)他因素而(er)軸(zhou)(zhou)(zhou)向(xiang)移動(dong)(dong)(dong)。可(ke)(ke)以(yi)(yi)將軸(zhou)(zhou)(zhou)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)移動(dong)(dong)(dong)端(duan)(duan)處(chu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)與側端(duan)(duan)面之(zhi)(zhi)(zhi)間(jian)(jian)(jian)(jian)(jian)(jian)(jian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)軸(zhou)(zhou)(zhou)向(xiang)間(jian)(jian)(jian)(jian)(jian)(jian)(jian)隙選(xuan)(xuan)(xuan)(xuan)擇(ze)得(de)(de)較(jiao)大(da);并且應將軸(zhou)(zhou)(zhou)固(gu)定端(duan)(duan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)與端(duan)(duan)蓋之(zhi)(zhi)(zhi)間(jian)(jian)(jian)(jian)(jian)(jian)(jian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)軸(zhou)(zhou)(zhou)向(xiang)間(jian)(jian)(jian)(jian)(jian)(jian)(jian)隙選(xuan)(xuan)(xuan)(xuan)擇(ze)得(de)(de)較(jiao)小(xiao)。齒(chi)(chi)(chi)輪(lun)(lun)(lun)具(ju)有很(hen)強的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)耐磨性(xing),傳(chuan)動(dong)(dong)(dong)穩(wen)定,并且齒(chi)(chi)(chi)之(zhi)(zhi)(zhi)間(jian)(jian)(jian)(jian)(jian)(jian)(jian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)間(jian)(jian)(jian)(jian)(jian)(jian)(jian)隙不應太大(da)。齒(chi)(chi)(chi)輪(lun)(lun)(lun)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)精(jing)度通(tong)常(chang)在5到6度之(zhi)(zhi)(zhi)間(jian)(jian)(jian)(jian)(jian)(jian)(jian)選(xuan)(xuan)(xuan)(xuan)擇(ze)。為(wei)(wei)了(le)確保平穩(wen)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)傳(chuan)輸和(he)較(jiao)低的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)噪音水平,通(tong)常(chang)使(shi)用(yong)(yong)斜齒(chi)(chi)(chi)輪(lun)(lun)(lun)。為(wei)(wei)了(le)方便齒(chi)(chi)(chi)輪(lun)(lun)(lun)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)組(zu)裝和(he)調(diao)整(zheng)轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)(zi)之(zhi)(zhi)(zhi)間(jian)(jian)(jian)(jian)(jian)(jian)(jian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)間(jian)(jian)(jian)(jian)(jian)(jian)(jian)距,您可(ke)(ke)以(yi)(yi)選(xuan)(xuan)(xuan)(xuan)擇(ze)使(shi)用(yong)(yong)可(ke)(ke)調(diao)游隙結構齒(chi)(chi)(chi)輪(lun)(lun)(lun),并在...
2021 - 05 - 12
真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)的(de)(de)(de)維(wei)(wei)(wei)護(hu):真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)的(de)(de)(de)排氣(qi)閥(fa)(fa)(fa)的(de)(de)(de)拆(chai)(chai)卸(xie)和(he)(he)維(wei)(wei)(wei)修(xiu)步驟(zou)文(wen)字:真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)的(de)(de)(de)排氣(qi)閥(fa)(fa)(fa)不(bu)能正(zheng)常工(gong)作(zuo),這當(dang)然會(hui)影(ying)響真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)的(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)度(du)。因此,在(zai)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)的(de)(de)(de)維(wei)(wei)(wei)護(hu)中排氣(qi)閥(fa)(fa)(fa)的(de)(de)(de)拆(chai)(chai)卸(xie)和(he)(he)維(wei)(wei)(wei)修(xiu)非(fei)常重要(yao)(yao)(yao)。今天我將整理排氣(qi)門的(de)(de)(de)拆(chai)(chai)卸(xie)和(he)(he)維(wei)(wei)(wei)修(xiu)步驟(zou)。  1.拆(chai)(chai)卸(xie)和(he)(he)維(wei)(wei)(wei)修(xiu)時,請(qing)先從泵(beng)(beng)中排出一些機油(you)(you),以(yi)使油(you)(you)位降到(dao)油(you)(you)窗以(yi)下(xia)。  2.拆(chai)(chai)開(kai)油(you)(you)窗,拆(chai)(chai)下(xia)閥(fa)(fa)(fa)板(ban)(ban)(或(huo)閥(fa)(fa)(fa)碗,球),檢(jian)(jian)查(cha)它(ta)們是(shi)否(fou)完好,平坦(tan),靈活,裝配牢固,合適以(yi)及(ji)是(shi)否(fou)有(you)孔。  3.正(zheng)常情況(kuang)下(xia),閥(fa)(fa)(fa)板(ban)(ban)應(ying)平滑地覆蓋(gai)通風孔。  4.大型泵(beng)(beng)的(de)(de)(de)閥(fa)(fa)(fa)板(ban)(ban)主要(yao)(yao)(yao)是(shi)鋼板(ban)(ban),并(bing)通過彈(dan)簧壓縮。檢(jian)(jian)查(cha)閥(fa)(fa)(fa)板(ban)(ban)是(shi)否(fou)損壞,彈(dan)簧是(shi)否(fou)過硬以(yi)致于難以(yi)跳動(dong)閥(fa)(fa)(fa)板(ban)(ban)。  5.對于耐油(you)(you)橡膠閥(fa)(fa)(fa),請(qing)檢(jian)(jian)查(cha)其(qi)是(shi)否(fou)變形。  維(wei)(wei)(wei)修(xiu)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)時,對真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)的(de)(de)(de)狀態進(jin)(jin)行(xing)監(jian)控,不(bu)僅可(ke)以(yi)延長真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)的(de)(de)(de)工(gong)作(zuo)周(zhou)期,而(er)且可(ke)以(yi)適當(dang)組(zu)織(zhi)維(wei)(wei)(wei)護(hu)內容,提高效率,節省人工(gong),財力和(he)(he)時間(jian)。這是(shi)最先進(jin)(jin)的(de)(de)(de)維(wei)(wei)(wei)護(hu)方(fang)法。要(yao)(yao)(yao)實施這種維(wei)(wei)(wei)護(hu)方(fang)法,有(you)必(bi)要(yao)(yao)(yao)建立(li)在(zai)及(ji)時有(you)效的(de)(de)(de)故(gu)障診(zhen)斷技術的(de)(de)(de)基礎上,對真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)故(gu)障診(zhen)斷的(de)(de)(de)研究是(shi)對真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)進(jin)(jin)行(xing)預防性維(wei)(wei)(wei)護(hu)。  拆(chai)(chai)卸(xie)和(he)(he)維(wei)(wei)(wei)修(xiu)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)排氣(qi)閥(fa)(fa)(fa)時,請(qing)按照上述步驟(zou)進(jin)(jin)行(xing)拆(chai)(chai)卸(xie)和(he)(he)維(wei)(wei)(wei)修(xiu),或(huo)將其(qi)送到(dao)專業的(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)維(wei)(wei)(wei)修(xiu)工(gong)廠(chang)進(jin)(jin)行(xing)拆(chai)(chai)卸(xie)和(he)(he)維(wei)(wei)(wei)修(xiu),但請(qing)勿擅自(zi)拆(chai)(chai)卸(xie)或(huo)維(wei)(wei)(wei)修(xiu),否(fou)則可(ke)能會(hui)損壞設備。
2021 - 05 - 27
隨著干(gan)式(shi)真(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)的(de)利用(yong)(yong)(yong)(yong)率越來越普遍(bian),其(qi)質(zhi)量(liang)也在提(ti)高。由于(yu)(yu)其(qi)特性和(he)優(you)勢,它被每個人廣泛使用(yong)(yong)(yong)(yong)。為了讓(rang)大(da)(da)家更好地使用(yong)(yong)(yong)(yong)它,讓(rang)我(wo)們一(yi)起學習(xi)干(gan)法(fa)吧(ba),處(chu)理(li)真(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)中(zhong)水(shui)(shui)量(liang)少的(de)方(fang)法(fa)有哪些?  干(gan)式(shi)真(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)的(de)應用(yong)(yong)(yong)(yong)范圍(wei)很廣,有些機組在供水(shui)(shui)和(he)排水(shui)(shui)方(fang)面有更多的(de)應用(yong)(yong)(yong)(yong)。干(gan)式(shi)真(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)的(de)設計和(he)改進具有節能優(you)勢。一(yi)般來說(shuo),故(gu)障率很低,但是(shi)需要(yao)定(ding)期(qi)檢查(cha)和(he)維(wei)護(hu)以確保泵(beng)(beng)(beng)(beng)正(zheng)(zheng)常(chang)(chang)(chang)運行(xing)(xing)(xing)(xing)。干(gan)式(shi)真(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)的(de)正(zheng)(zheng)常(chang)(chang)(chang)故(gu)障是(shi)找出故(gu)障原因。建議(yi)用(yong)(yong)(yong)(yong)戶首(shou)先(xian)檢查(cha)此(ci)時運行(xing)(xing)(xing)(xing)的(de)泵(beng)(beng)(beng)(beng)電(dian)(dian)流(liu)與(yu)正(zheng)(zheng)常(chang)(chang)(chang)運行(xing)(xing)(xing)(xing)的(de)泵(beng)(beng)(beng)(beng)電(dian)(dian)流(liu)之間的(de)差異(yi)。如(ru)(ru)果小于(yu)(yu)正(zheng)(zheng)常(chang)(chang)(chang)運行(xing)(xing)(xing)(xing)時間,則(ze)(ze)會(hui)(hui)發(fa)生(sheng)諸如(ru)(ru)葉輪(lun)磨損和(he)泵(beng)(beng)(beng)(beng)頭止回(hui)閥堵塞的(de)問題(ti)。如(ru)(ru)果電(dian)(dian)流(liu)與(yu)通常(chang)(chang)(chang)一(yi)樣大(da)(da),則(ze)(ze)管接(jie)頭,管和(he)泵(beng)(beng)(beng)(beng)體(ti)會(hui)(hui)泄漏;如(ru)(ru)果該電(dian)(dian)流(liu)大(da)(da)于(yu)(yu)正(zheng)(zheng)常(chang)(chang)(chang)運行(xing)(xing)(xing)(xing)期(qi)間的(de)電(dian)(dian)流(liu),則(ze)(ze)可(ke)以確定(ding)是(shi)易損部件的(de)磨損。同樣,如(ru)(ru)果電(dian)(dian)纜損壞,則(ze)(ze)水(shui)(shui)量(liang)將與(yu)往常(chang)(chang)(chang)一(yi)樣大(da)(da),但電(dian)(dian)流(liu)會(hui)(hui)增(zeng)加(jia)。三臺(tai)380V電(dian)(dian)機的(de)電(dian)(dian)流(liu)一(yi)般為2.2A,用(yong)(yong)(yong)(yong)戶可(ke)以一(yi)一(yi)找出原因,消(xiao)除故(gu)障。建議(yi)用(yong)(yong)(yong)(yong)戶對(dui)干(gan)式(shi)真(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)進行(xing)(xing)(xing)(xing)定(ding)期(qi)維(wei)護(hu)并(bing)保存記錄,以便節省下一(yi)次(ci)維(wei)護(hu)的(de)基礎并(bing)節省維(wei)護(hu)時間。  上面是(shi)關于(yu)(yu)處(chu)理(li)干(gan)式(shi)真(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)水(shui)(shui)量(liang)少的(de)方(fang)法(fa)。您可(ke)以理(li)解,正(zheng)(zheng)確的(de)操作方(fang)法(fa)可(ke)以在使用(yong)(yong)(yong)(yong)過(guo)程中(zhong)取(qu)得(de)良好的(de)效果。