prepump

常見例句

• The design parameters of anodic protection coolers and the reason why to choose a prepump process are presented.
  介紹陽極保護濃硫酸冷卻的設(shè)計參數(shù),選用泵前流程的原因,重點討論冷卻水路的設(shè)計方案。
• Note: ZJ type Roots vacuum pump can't discharge gases directly into the air,it should be equipped with a cowesponding prepump at operation.
  注：ZJ型羅茨真空泵不能直排大氣，運行時需配備相應(yīng)前級泵。
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