1.
gravel packed perforation tunne
填满砾石的射孔孔道
2.
gravelsand filled perforation tunnel
被砾石与地层砂混合物充填的射孔孔道
3.
outside perforation packing
射孔孔眼外砾石充填
4.
Analysis on Deep Radioactivity Logging of Railway Tunnels as Well as Assessment
铁路隧道深孔放射性测井分析及评价
5.
Techniques for Double Probe Straight Advancing Detection of Prestressed Aperture-Disease
双探头直射检测预应力孔道病害技术
6.
Plastic injection mould, coolant passages, eject pin and electrical heating holes.
塑胶射出模具–却水孔、梢孔及电热孔.
7.
Objective: To analyze the X- ray data of the patients with gastrointestinal tract perforation.
目的:分析胃肠道穿孔病人的放射学检查资料。
8.
Experimental investigation on discharge coefficient of jet impingement holes within semi-confined channel
半封闭通道射流冲击孔流量系数的实验
9.
Heat transfer in rectangular pin-finned channel with perforated plate
带射流孔板矩形扰流柱通道内的壁面换热
10.
Synthesis of Hierarchically Meso-Macroporous Structured Carbon Sieve by Dual-template Method
双模板法合成介孔/大孔二级孔道碳材料
11.
strip carrier capsule gun
钢带托架座舱式射孔器
12.
semi-expendable gun
部分可回收的射孔器
13.
directional single-plane jet perforator
单面定向聚能弹射孔器
14.
expendable-retrievable gun
可回收的消毁式射孔器
15.
retrievable through-tubing perforator
可收回过油管射孔器
16.
hydraulic gun release sub
射孔器水力丢手接头
17.
expendable through-tubing perforator
消毁式过油管射孔器
18.
cased and perforated productivity
下套管射孔井的产能