water potn.水桶(水池)watern.水；海域；雨水；海水v.给 ... 浇水；给 ... 供水；加水稀释；充满眼泪；给...水喝water erosion on slope坡面水蚀water-caused failure水毁water treatment system水处理系统water-bome infection经水传染water-force analysis水力分析water distilling barge水蒸馏驳Water harvesting plant集水种植water-borne epidemic水媒传染病water-filled bladder充水囊water-oil phase flow油水两相流

1. They regulate the flow of water by the sluice gate.
   他们用水闸门控制水的流量。
2. Use manufacturing processes and equipment that are efficient in water use.
   采用能有效节省用水的生产方法及器械。