gas concentration gradient [經(jīng)濟學]氣體濃度梯度gas concentration 氣體濃度；氣含量gas compressor [機] 氣體壓縮機；[機] 煤氣壓縮機gas compressibility [能源科學技術]氣體壓縮性gas composition 氣體組分，氣體成分gas compartment 氣體室；氣體空間gas collector pressure [化學]集氣管壓力gas collector 氣體收集器；集氣器gas collecting bottle [醫(yī)藥科學]集氣瓶gas cock 煤氣旋塞；煤氣塞門gas cloud [天] 氣體云；空氣層；煙氣層；毒云gas cleaning 煤氣凈化；氣體凈化gas cleaner 凈氣器gas chromatography flame ionisation detection [政治學]氣體層析火焰電離探測gas chromatography 氣相色譜分析gas chlorination [經(jīng)濟學]氣體氯化gas charging valve 充氣閥gas charging 充氣gas chamber 毒氣室。gas cell fabric [經(jīng)濟學]氣囊織物