1.
A hole or pipe in a wall to allow water to run off.
墙上排水孔，墙上排水管
2.
Construction Technique for Large Diameter Discharging Tunnel in the Luoxidu Hydropower Plant
溪洛渡水电站大孔径排水孔施工技术
3.
(British) a hole into which a plug fits (especially a hole where water drains away).
（英国）用来安装插头的孔（尤指排水孔）。
4.
The drain is clogged with hair. The water won't drain.
排水孔塞满了头发。水放不出去。
5.
Comprehensive Study on Drainage-hole Simulation of Seepage Calculation;
渗流计算中排水孔模拟方法综合研究
6.
Drilling Construction Technology of Large Diameter Drainage Hole in Wutongzhuang Mine
梧桐庄矿大直径排水孔工程钻探施工技术
7.
As the water discharge opening is below the water level.applying the water block principle,no steam leakagecan be obtained.
由于排水孔在水位以下，利用水封原理，达到蒸汽不泄漏。
8.
STUDY ON H_2S GAS FEATUREIN THE WATER AND SIGNIFICANCE OF THE SAFE OPERATION OF TONGJIEZI HYDROPOWER STATION DAM
铜街子大坝排水孔水中H_2S气体特征研究及大坝安全运行意义
9.
We were both of us capsized in a second, and both of us rolled, almost together, into the scuppers;
我们俩立刻失去了平衡，几乎是扭在一起滚向排水孔。
10.
The family of Abigail Taylor says an open drain in a swimming pool sucked out part of her small intestinal tract.
阿比盖尔·泰勒的家人称游泳池未加盖的排水孔竟将她的小肠吸出。
11.
and an empty bottle, broken by the neck, tumbled to and fro like a live thing in the scuppers.
一只断颈空酒瓶在排水孔之间滚来滚去，倒像件活的东西。
12.
breathing pad roller
微孔弹性辊（又称排吸水轧辊）
13.
NUMERICAL SIMULATION OF MULTIPORT BUOYANT JET OF THERMAL WATER IN CO-FLOWING
同流环境多圆孔热废水排放数值模拟
14.
The mouthlike opening in a sponge, used to expel water.
出水孔海绵中象口一样的开口，用于排水
15.
Gutters or channels on each side of a ship's keelson that drain bilge water into the pump well.
污水道，通水孔船底龙骨两侧用来排污水的水槽或水道
16.
A hole, usually with a cover, through which a person may enter a sewer, boiler, drain, or similar structure.
下水道出入孔一种常带有盖的孔道,人可以由此孔进出排道、锅炉、下水管或类似设施
17.
The compression of the soil under the applied stresses would force some water out of the voids.
施加压力压缩土壤会使一些水从孔隙中排出。
18.
Granite with manganese. Porous top layer provides good drainage.
含锰的花岗岩土层，表层多孔使排水性良好。