短語(yǔ)詞組短語(yǔ)SEWER CLEANERS SYSTEM 沖吸兩用清溝車(chē)trunk sewer reticulation system 污水干渠網(wǎng)絡(luò)系統(tǒng);下水干道網(wǎng)絡(luò)系統(tǒng)sanitary sewer treatment system 生活污水處理系統(tǒng)sewer piping system 污水管布管方式sewer line system 污水管道系統(tǒng)Sewer system Introduction 排水管道系統(tǒng)產(chǎn)品簡(jiǎn)介Sewer System Plan 排水管網(wǎng)規(guī)劃sanitary sewer system 生活污水系統(tǒng);污水排放系統(tǒng)sewer system maintenance worker 下水道系統(tǒng)維護(hù)工人 返回 sewer system