1.
compound center drill without jacket
不带护套复合中心钻
2.
combination center drill
组合中心钻，复合中心钻
3.
Discussion on Application of Casing Bored Bitted Pile in Pit Enclosing Protection
试论套管钻孔咬合桩在基坑围护中的应用
4.
Make Use Guide Drill Case Drill a Hole Lead to of Deviate Heart of a Drill
使用导向钻套钻孔引出的中心偏移问题
5.
PROTECTIVE GLOVES: Neoprene or rubber gloves with cuffs.
防护手套：合成橡胶或带袖子的橡胶手套。
6.
mixed oil drilling rig
复合式石油钻井钻机
7.
Study of Corrosion to Drilling Rigs by Solid Free Composive Salt Drilling and Completion Fluids and Its Prevention Technology
无固相复合盐水钻井完井液对钻具腐蚀规律与防护技术研究
8.
clutch center guide
离合器中心齿轮导套
9.
Analysis on balling up caused by helicoid hydraulic motor bypass valve failure in combined drilling technology
复合钻井过程中螺杆钻具旁通阀刺漏造成钻头泥包分析
10.
Be careful that your fingernails don't rip the condom when you are putting it on.
在带保险套时小心不要被手指甲划破。
11.
Numerical Analysis of Mixed Convective Heat Transfer in Vertical Concentric Cylinders Filled with a Porous Medium;
竖直同心套管内多孔介质中复合对流传热的数值研究
12.
Each elder would receive services at home or a package of home and centre-based services tailor-made to meet individual care needs.
每名长者均可留在家中，或在家中和日间护理中心接受一套切合个人护理需要的服务。
13.
Nurse Supporting Role in Cardio Pulmonary Cerebral Resuscitation Technology
浅谈心肺脑复苏技术中护士角色的配合
14.
Study on Carrier Frequency Short Circuit Protection of Integrated Protector for Coal Electric Drills
煤电钻综合保护装置中载频短路保护技术研究
15.
"I haven't exactly lost heart: I've just got cold feet," Feng Yun-ching answered with another sigh, trying hard to keep back his tears. "The way they set that trap and let us walk right into it!"
“倒不是灰心，是胆寒。 你想，人家是做就了圈套等我们去钻
16.
Now that I had the cap and gown on, my feelings were mixed, my excitement tinged with nostalgia for the past and longings for the future.
现在穿戴上了这套袍子和帽子，我的心情很复杂，激动中带着对过去的怀念和对未来的憧憬。
17.
Tool shanks and draw-in must have a central through bore.
刀柄和引入轴必带一个穿过钻孔的中心点。
18.
Effect of Radii barrier sleeves on cure depth of composite resin
光导棒保护封套对复合树脂固化深度的影响