[機(jī)械工程 照明 加熱] 使管子通過墻; 穿墻置管; 將管道穿過墻壁; 把一根管子穿過一堵墻 sleeve for pipe passing through wall: 管道穿墻用套管sleeve for duct passing through wall: 風(fēng)管穿墻用套管passing through the rapids: 通過湍流ship passing-through facilities: 過船設(shè)施ship-passing-through facilities: 過船設(shè)施下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯