管井降水井 pipe well for lower water
管井井点降水 Dewatering and drainage design by pipe well points; dewatering and drainage design by pipe well-points
水井、井水及废水 Wells and well water and waste water
冲厕水水管 flushing water pipe
供水管井 Tube well of water feed; water supply well
管井井点 tube well-point
降水管 downcomer; down-cast header; downcast pipe; down-cast pipe; down comer
冷却水管降温法 temperature reduction scheme of cooling water pipelines
冷却水管降温技术 temperature reduction technology of cooling water pipe
深管降水 deep well dewater
深水管井 deep water pipe well
输水管管件 water conveying pressure pipe
套管井水泥胶结测井 cement bond logging
总供水管水表 city main water meter
降水井 de-watering well; dewatering well; precipitation well; water level lowering well; pumped well; drainage well
降水井施作 construction of precipitation well
井水水位 Water table in well; water level; Well water level; earthquake precursor
矿井水水质评价 mine water quality assessment
联合降水井 joint water-level lowering well