短語詞組短語Gas transport pipeline 輸氣管道gas supply pipeline 供氣管道natural gas transmission pipeline 天然氣輸氣管道cracking gas sampling pipeline 裂解氣采樣管線gas transmission pipeline system 輸氣管道系統(tǒng)gas s pipeline 氣體管道gas transportation pipeline 輸氣管道Gas gathering pipeline 集輸管道 返回 gas pipeline