prepump

常見(jiàn)例句

The design parameters of anodic protection coolers and the reason why to choose a prepump process are presented.
介紹陽(yáng)極保護(hù)濃硫酸冷卻的設(shè)計(jì)蓡數(shù),選用泵前流程的原因,重點(diǎn)討論冷卻水路的設(shè)計(jì)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(yùn)行時(shí)需配備相應(yīng)前級(jí)泵。