helium shielded-arc welding是什么意思

中文翻译氦气保护焊

网络释义

1)helium shielded-arc welding,氦气保护焊2)helium shielded welding,氦气保护焊接3)helium,氦气4)Helium, high purity,氦气5)atomic helium,氦气6)helium gas,氦气

The preliminary study of small centrifugal compressor compressing helium in a closed cycle;

小型离心式压气机压缩氦气闭式循环的初步研究

Design and study of a reciprocating helium compressor;

大功率活塞式氦气压缩机的研制

Solid Lubrication Technology of HTG R under Helium;

高温气冷堆氦气气氛下的固体润滑技术