1.
Stomatal Density of Leaf Layers in Crown of Some Broad-Leaf Species and Effects of Light Conditions on Them
若干阔叶树树冠各层叶气孔密度及光照条件对气孔密度的影响
2.
solidly packed tunnel
充填密实的炮眼孔道
3.
a close [loose] weave
针孔紧密 [稀松] 的编织法
4.
All sponge rubber packing for watertight doors need to be renewed.
所有水密门的多孔橡皮密封垫换新。
5.
Study on Slender Hole Ultra-precision Measuring System and Precision Analysis;
细长小孔孔径精密测量系统的设计及精度分析
6.
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
7.
Influence of Dimple Diameter on Dynamic Performance of Gas Multi-pored Face Mechanical Seal
气体多孔端面机械密封孔径尺寸对密封动态性能影响研究
8.
Register punch: Precision punching device used in a punch register system.
定位打孔机:应用于打孔定位系统内的精密打孔机。
9.
Instantaneous Clearance of Ordinary Punching and Precise Punching Without Burr and Its Influence on Punching Quality
普通冲孔与无飞边精密冲孔的瞬时间隙及对冲孔质量的影响
10.
Determination of density and total porosity Mercury displacement method??
密度和总气孔的测定? 汞置换法
11.
corrected density porosity
校正了的密度测井孔隙度
12.
closed cell elastomeric insulation
密封微孔泡沫橡塑隔热材料
13.
The density P is that of the fluid escaping from the orifice.
上式中p是从小孔喷出的流体密度。
14.
clustered high-density shaped charges
成组分布的高密度射孔弹
15.
closed cell polyethylene foam backer rod
密封微孔聚乙烯泡沫垫棒
16.
Study on Mechanism and Technology of Precision and Microcellular Injection Molding;
精密注塑与微孔注塑机理及技术研究
17.
The Secret Peace Negotiation Held in 1938 Between Kong Xiangxi and Ugaki Kazunari;
1938年孔祥熙和宇垣一成的秘密“和谈”
18.
Numerical Analyses of Gas Lubricated Laser Surface Textured Mechanical Seals
激光加工多孔端面气体密封数值分析