forepumping
基本解釋
- n.前級(jí)抽氣(預(yù)抽)
英漢例句
- Keywords vacuum reaction stove;vacuum degree;master pump;forepump;smelting;modification;
真空感應(yīng)爐;真空度;主泵;前級(jí)泵;熔煉;改造; - mechanical forepump
機(jī)械預(yù)抽真空泵 - forepump
n. 預(yù)抽真空泵(前級(jí)泵) - vacuum forepump
前置真空泵