1.
soil permeability meter
土壤透水透气度测定仪
2.
Dormancy for hard seeds is caused by impermeability to water and gas and mechanical constraint of the seed coat.
硬实种子种皮透水透气性差和对胚生长的机械限制，引起种子休眠。
3.
closed so tightly as to be airtight or watertight.
关闭的很紧的，不透气的或不透水的。
4.
wool-like and water proofing agent with permeability
仿毛防水透气整理剂
5.
clear water; clear plastic bags; clear glass; the air is clear and clean.
透明的水；透明的塑料袋；透明的玻璃；空气透明、清鲜。
6.
"Fan me, Mary, fan me!
"给我透透气，玛丽，给我透透气！
7.
air transmission coefficient
透气系数，空气透过率
8.
Please open the window and let in some fresh air.
请打开窗透透新鲜空气。
9.
Let's walk around and get some air.
让我们去绕绕透透气。
10.
They are also water-tight and air-tight to protect goods from being damaged by heat, water or dampness.
而且不透水、不透空气以保护货物不致因高温、水或潮湿而受损。
11.
testing method for fineness of portland cement by air permeability apparatus
波特兰水泥粒度试验-空气渗透设备法
12.
To permeate(a porous substance)with a liquid or gas.
使浸透用水或气体穿过多孔物质
13.
Experimental Research on the Hydraulic Conductivity and the Water-air Flow in a Sand Column;
砂柱中渗透系数及水气运移试验研究
14.
Study and Application for the Waterproof Breathable Material on Spacecraft
防水透气材料在航天器上的应用研究
15.
Removal of Water Vapor from Condensable Gas by Membrane Technology and Study of Its Permeation Mechanism;
膜法脱除易凝气中水蒸气及其渗透机理研究
16.
A gas-water two-phase flow model for low permeability gas reservoirs and deliverability analysis thereof
低渗透气藏气水两相渗流模型及其产能分析
17.
The influence of water phase evaporation on gas percolation in low permeability gas reservoirs
低渗透气藏水相蒸发对气体渗流的影响
18.
air-spaced doublet
双不胶透镜; 双分离透镜; 双分透镜; 空气隙双合透镜; 分离式双透镜