n.水闸
They regulate the flow of water by the sluice gate. 他们用水闸门控制水的流量。
Another sluice gate keeps floodwater out of the lake. 另一闸门使洪水致流入湖内。
They regulate the flow of water by the sluice gate . 他们用水闸门控制水的流量。
They open the sluice gates of reservoir. 他们打开水库的闸门。
As soon as the sluice gate was opened,the water surged in. 水闸门一开，水便一下子涌了出来。
