gas bottle,gas washing bottle是什么意思

用法例句

In addition, an air-washing equipment added to ethylene making proves more persuasion in the experiment.

增加了洗气装置,使乙烯性质实验更有说服力。

This article makes an overall calculation, analysis and comparison for water feed and theoretical tray number of half-water gas scrubber.

对半水煤气洗气塔进水量、理论板数较全面进行了计算分析及比较。