短語(yǔ)詞組短語(yǔ)perforated d pipe 穿孔管道perforated steel pipe grouting 鋼花管注漿Perforated drain pipe 多孔管Perforated steam pipe 多孔蒸氣管perforated d pipe sprinkler 多孔管噴水滅火裝置perforated -pipe distributor 翻譯Perforated -pipe breakwater 管式透空防波堤perforated feed pipe 有孔給水管;帶孔內(nèi)給水管 返回 perforated pipe