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| Chinese | English |
| 水闸 | sluice Vertical sliding gate or valve to regulate the flow of water in a channel or lock (垂直滑动闸门、阀门、调节水渠道或锁定流动。) |
| 水闸门 | sluice-gate A valve or gate fitted to a sluice to control the rate of flow of water (阀门或安装在水闸中来控制水流量的门。) |
| 运河水闸 | canal lock A chamber with gates on both ends connecting two sections of a canal or other waterway, to raise or lower the water level in each section (在运河两端设置的带门的腔室，连接运河的两个区或其它运输水路，用来升高或降低每个区的水位。) |