跨: step; stride煤气管: gas pipe上海煤气厂: shanghai gas works煤气管: gas pipe◇煤气管网 gaspipe network; 煤气管线 gas-pipe line气管煤气管: gas-pipe高压煤气管: high-pressure gas pipe海底煤气管: submarine gas pipeline焦炉煤气管: coke oven gas pipe炉顶煤气管: top gas rate煤气管带坯: gas strip煤气管道: gas conduit; gas flue; gas line; gas pipe line; gas pipeline煤气管道工: gasfitter煤气管接地: gas pipe earth; gaspipeearth煤气管钳: gas-pipe tongs煤气管网: gaspipe network煤气管线: gas line; gas path; gas pipeline水煤气管: blue gas pipe; water gas pipeline水煤气管线: water gas pipe line总煤气管: main gas pipe城市煤气管道: town gas pipe煤气管道输送: gas pipeline transportation service煤气管线用管: gas line pipe铺设煤气管道: lay down gas pipes倾斜煤气管道: down pass下喷煤气管道: under jet gas duct
