气态氦在光学纤维拉制中用作冷却剂，在色谱仪中用作运载气体，在许多工业中用作检漏气体。

Gaseous helium is used as a coolant during the drawing of optical fibers, as a carrier gas for chromatography, and as a leak detection gas in a variety of industries.

youdao

气态氦在光学纤维拉制中用作冷却剂，在色谱仪中用作运载气体，在许多工业中用作检漏气体。

Gaseous helium is used as a coolant during the drawing of optical fibers, as a carrier gas for chromatography, and as a leak detection gas in a variety of industries.

youdao