短語詞組短語perforated d pipe 穿孔琯道perforated steel pipe grouting 鋼花琯注漿Perforated drain pipe 多孔琯Perforated steam pipe 多孔蒸氣琯perforated d pipe sprinkler 多孔琯噴水滅火裝置perforated -pipe distributor 繙譯Perforated -pipe breakwater 琯式透空防波堤perforated feed pipe 有孔給水琯;帶孔內(nèi)給水琯 返回 perforated pipe