sweeping gas

• 吹扫气体

sweeping gas的用法和样例：

例句

1. Sample gas tubes are flushed with nitrogen.
   采气管得用氮气吹扫。
2. The recycled dry nitrogen gas is used to purge the sample chamber and upper lid window surface of condensation.
   循环的干氮气被用于排除腔体内的空气和吹扫顶盖窗口。