water draught gauge

例句：

1. 1.The water draught gauge is used to measure the level of the water in the tank.
   测水计用于测量水箱中的水位。
2. 2. The engineer installed a new water draught gauge to improve the accuracy of the measurements.
   工程师安装了一个新的测水计以提高测量的准确性。
3. 3. The water draught gauge was used to monitor the flow of water in the river.
   测水计被用来监测河流中的水流。