vacuum pumping hardware是什么意思

用法例句

In order to prolong the life of RH vacuum degassing vessel, and improve the refining efficiency of molten steel in RH system, a new RH vacuum degassing vessel with multi leg has been developed in this work.

为了延长 RH真空脱气装置的寿命 ,同时增加 RH系统的精炼效率 ,本文设计了一种 RH真空循环脱气装置的新结构。

Experimental analysis of circulation flow rate in water model of RH vacuum degassing vessel;

循环流量是判断RH真空脱气装置冶炼效率的最重要的指标之一。