短語(yǔ)詞組短語(yǔ)gas return collector 氣體回集器gas -collector chamber 集氣室furnace gas -collector 煤氣集氣管gas s collector 煤氣收集器gas sample collector 氣體取樣器control of gas - collector pressure 焦?fàn)t集氣管壓力控制coke -oven gas-collector pressure control 焦?fàn)t集氣管壓力控制gas collector pressure 集氣管壓力 返回 gas collector