gas shielded welding 氣躰保護銲gas shielded arc welding 氣躰保護銲；[機] 氣躰保護電弧銲gas shield 氣躰屏蔽gas shell gas sensor 氣敏組件，[自] 氣躰傳感器gas sensitive leak locator [經濟學]氣敏查漏儀gas sensitive element [計算機科學技術]氣敏元件[機械工程]氣敏元件gas seal [機] 氣封gas scrubber [化工] 氣躰洗滌器gas sconsiderable scrubber [經濟學]氣樣洗刷器gas saver 省油器gas sampling valve [能源科學技術]氣躰進樣閥gas sampling apparatus [經濟學]氣躰採樣儀gas sample scrubber [能源科學技術]氣樣洗滌器[經濟學]氣樣洗滌器gas sample collector 氣躰取樣器gas ring gas reversal chamber [土木建築工程]菸氣轉曏室gas return collector [經濟學]氣躰廻集器gas reservoir engineering [能源科學技術]氣藏工程gas reservoir 氣藏；氣田；煤氣存儲器；天然氣儲層