floor drainage pit 地板排水孔
floor drainage system 地面排水系统
pit floor drainage 地板排水孔
same floor drainage 同层排水
same-floor drainage system 同层排水
the same floor drainage system 同层排水系统
floor arch drainage 地面排水
floor water drainage 地面排水
Dr. Tancredi exits the room for a moment, and Michael jumps up, sneaking another origami swan into the drainage grate in the infirmary floor.
Sara离开了房间一下，Michael突然站起，将另一个纸鹤偷偷放入了医务室的排水道里。
After finish paving hutch defends floor tile, look at the floor drain the water should check whether the drainage smooth, to remove floor drain cover drainage speed shall prevail.
铺完厨卫地砖后应该放水检查，看看地漏排水是否顺畅，以去掉地漏上盖后的排水速度为准。
Clean and dredge all underground drainage pipe, floor traps & sewerage pits.
酒店内建筑及所有场地的地下管道、地漏和阴井的清理、疏通。
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