Influence of Adding Re-melting on Porosities of Spray-welding Coating on Titanium Alloys Surface and Cause of Porosities
钛合金表面火焰喷焊涂层中气孔的成因及增加重熔对气孔的影响
Gaseous excretion takes place by diffusion through the stomata and lenticels.
气体通过气孔或皮孔释放的方式排出。
Plug the fixed containers around air vent of F.O. tanks.
收紧油舱透气孔处油池放油孔的塞子。
A vent to permit the escape of air or other gas.
气孔空气或其它气体通出的通道
gas-filled porosity
天然气充满的孔隙度
steam cored mold
蒸气加热孔道的模型
Study on Relationship of Porosity & Pore Structure of Metallurgical Coke with Thermal Performance
冶金焦气孔率和气孔结构与热性能关系的研究
The large holes on the left and right represent the inlet and exhausting valve ports respectively.
左右两侧的两个大孔，分别表示进气阀孔和排气阀孔。
The Optimization of Venting Area of Airbag Landing System
气囊着陆缓冲系统的排气孔面积优化
Like human skin, soil has holes that are called pore.
就像人类的皮肤一样，土壤也有小孔被叫做气孔。
Deformation of Porous Pad of an Aerostatic Porous Thrust Bearing
空气静压多孔质止推轴承多孔质圆板的变形
The Application of a Slit Pore and Pore Network Model on Gas Separation in Carbon Membranes;
孔狭缝及孔网络模型在炭膜气体分离中的应用
The new measuring method for distance of the gas drainage hole and seam permeability
瓦斯抽采孔孔距及煤层透气性的测定方法
INFLUENCE OF TURBULENCE INTENSITY ON COOLING EFFECTIVENESS IN BACK-DIFFUSED HOLE
湍流度对单排圆孔及后扩孔气膜冷却的影响
TESTING OF OPEN POROSITY AND COLSED POROSITY OF CARBON MATERIAL BY EFFECTIVE DENSITY METHOD
炭素材料显气孔率和闭孔率的测试──有效密度法
Analysis of the Nozzle Model and Hole Model Associated with High-pressure Natural Gas Pipeline Leakage
高压输气管道小孔与大孔泄漏模型的比较分析
Effects of Water Absorption and Porosity of ZrO_2 on Cordierite Porous Ceramic
ZrO_2对堇青石多孔陶瓷吸水率和显气孔率的影响
The Control of Cylinder Cover Spring Holder Hole Cutting tool and Sinks the Hole Depth Size
气缸盖弹簧座孔刀具与沉孔深度尺寸的控制