1.
underwater inspection and repair of hydraulic structure
水工建筑物水下检修
2.
The solid surface under a body of water.
水底水下的固体表面
3.
drawdown [groundwater]
水位下降〔地下水〕
4.
phreatic water surface
地下水(静止)水位
5.
To put(a boat) into the water in readiness for use.
下水使（船）下水以备使用
6.
downbound commerce (=downbound traffic)
下行(下水, 南下)运量
7.
"Dive:To plunge, especially headfirst, into water."
"跳水:潜入水中,尤指头先下水的跳水."
8.
To plunge, especially headfirst, into water.
跳水潜入水中，尤指头先下水的跳水
9.
Tseung Kwan O West Low Level Fresh Water Service Reservoir
将军澳西下食水配水库
10.
Tseung Kwan O West Low Level Salt Water Service Reservoir
将军澳西下海水配水库
11.
Tai Po East Low Level Fresh Water Service Reservoir
大埔东下食水配水库
12.
Shau Kei Wan Low Level Salt Water Service Reservoir
筲箕湾下海水配水库
13.
Water dribbled from the leaky faucet.
水从漏水的龙头滴下来
14.
North Point Lower (S.W.) Pumping Station
北角下（海水）抽水站
15.
The water trickled from the faucet.
水从水龙头一滴滴流下。
16.
drops of fresh water that fall as precipitation from clouds.
从云层降下的淡水水滴。
17.
The boat is not afloat yet.
船还没浮在水上 [下水] 。
18.
In general, the quality of underground water is good.
地下水水质总体良好。