管道canal;pipeline;pipeline pipe;trunking;tubing详细»
管道canalisation;canalization;ducting;flue;pipage;pipeline;ridge runner;ridgerunner;shakt;tu;tubing详细»
管道cannal;complete piping system;conduit pipe;duct line;ducting;flue;gas-collecting duct;line of pipes;line piping;pipe alley;pipeline;tubing详细»
管道channel;conduit;conduit tube;duct;pipe alley;pipe run详细»
管道duct;gas-collecting duct;pipe;pipe culvert;pipe line;pipeleading详细»