1.
It may also provide drainage and give added protection against frost action when necessary.
它具有排水作用，但在需要时也增加保护抗冻作用。
2.
a channel through which water is discharged (especially one used for drainage from the gutters of a roof).
一种水由此排出的水渠（尤其是一种用作屋顶沟槽的排水装置）。
3.
Water Diversion and Retarding Action Effect of Single Permeable Pile Groins
单排井柱桩透水丁坝的分水缓流作用效果
4.
Talk about Role of Work of Legislating and Enforcing Law in Urban Flood Control and Drainage Management;
论立法执法工作在城市防洪排水管理中的作用
5.
A long narrow trench or furrow dug in the ground, as for irrigation, drainage, or a boundary line.
沟渠，排水沟，水道在地面上狭长的沟渠或细沟，用于灌溉、排水或用作分界线
6.
"ditch:a long narrow trench or furrow dug in the ground, as for irrigation, drainage, or a boundary line."
"沟渠,排水沟,水道:在地面上狭长的沟渠或细沟,用于灌溉、排水或用作分界线."
7.
Research on the Mechanical and Deformation Characteristics of Row Piles under Horizontal Loads
水平荷载作用下排桩的受力和变形特性研究
8.
Application of Twin-Power Supply in De-watering System of Full-mechanized Mining Face
双电源在综采工作面排水系统中的应用
9.
Deformation Property of Frame-Bent Structure Under Two-directional Horizontal Earthquake
水平双向地震作用下框排架结构的变形能力
10.
Creep Behavior of Saturated Soft Clay Under Cyclic Loading in Undrained Condition
不排水循环加载作用下饱和软粘土的蠕变特性
11.
Failure mechanism study on maleic oblique-basement dump of variable hydrostatic pressure
变水压强作用下顺斜基底排土场破坏机理
12.
guttering and drain of glass for industrial use
玻璃排水槽和排水管,工业用
13.
The new-type of hose pulsating pump is used for underground face draining and sump cleaning.
采用新型软管壁外脉动泵进行井下工作面排水及水仓清理。
14.
New nozzles can inject water and gas and can also act as an outlet for water ejection from the part.
新的喷头可以注射水和气体，同时起到从注射件内排水的出口作用。
15.
Celluar and Molecular Mechanism of Aqueous Extract of Astragali Radix on Renal Water and Sodium Excretion and Its Renal Protective Effects;
黄芪水提物促肾脏水钠排泄及肾脏保护作用的细胞分子机制研究
16.
Test and mechanism of horizontal plastic drain in permafrost regions embankment
多年冻土路堤水平排水板的作用机理与试验研究
17.
television survey of drainage system
排水系统电视勘测工作
18.
drainage and irrigation pump
排灌用泵（农用水泵）