1) pre-drilled cavity
预制孔
1.
By comparison with the numerical simulation results,it shows that the modified Teland\'s theory could well predict the final penetration of the concrete target with pre-drilled cavity penetrated by the ogive-nose projectile.
针对不同预制孔孔径大小,进行了一系列关于弹丸侵彻带有预制孔混凝土靶板的数值实验。
2) 50m/1430t
整孔预制
1.
This article introduce the centralized pre-binding&integral hoisting steel-bar construction technology on 50m/1430t box girder of the hangzhou bay bridge.
结合杭州湾跨海大桥50m/1430t预应力混凝土箱梁整孔预制施工作业,详细介绍了钢筋预扎台座设计、整体吊装架设计、施工设备配置和主要分项工程施工工艺要点。
3) prefabricated hole
预制孔洞
4) porous preform
多孔预制体
1.
The effects of the pore-making agents content on the porosity of SiC/Al porous preform produced by pressureless infiltration technique were investigated.
本文采用无压浸渗法制备了SiC/Al复合材料,研究了造孔剂含量对多孔预制体孔隙率的影响。
2.
B_4C/Ni porous preforms were prepared by powder metallurgy.
采用粉末冶金法制备了B4C/Ni多孔预制体,采用压力渗透法使液态金属铅浸入预制体。
3.
The effect of pore-making agent on porosity of porous preforms was studied.
采用无压浸渗法制备了SiC含量较高的SiC/Al复合材料,分析了造孔剂添加量对多孔预制体孔隙率的影响,利用铝液浸渗多孔体理论分析了多孔预制体孔隙结构对复合材料孔隙率的影响。
5) pre-core casing
预制孔套管
1.
pre-core casing well completion is laying down pre-core casing in the open hole on the basis of barefoot completion.
预制孔套管完井是在裸眼完井的基础上，在裸眼井内下入预制孔套管。
6) porous preform
多孔预制件
1.
5%Cu into the porous preform.
计算结果表明,进口合金的过热程度对重熔区的大小有重要的影响,过热加剧,重熔区长度明显增大;溶质富集主要发生在靠近渗透前沿处,该处共晶区的平均溶质浓度增加导致溶质富集;多孔预制件的孔隙率、预热温度以及离心转速对宏观偏析的影响程度不同,增大孔隙率、多孔体预热温度有利于降低宏观偏析程度;离心转速对渗透过程的压力分布及宏观偏析的影响也同样显著。
补充资料：预制
1.预先制造的。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条