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- Hard facing of tool joint 钻杆接头表面加硬层
- Eleven mare moaes of tool joint tailures are summarized. 综述了石油钻杆接头失效的十一种主要形式。
- A study of the surface crack at thread root of tool joint pins by the aid of finite element method. 石油钻杆公接头螺纹牙根部表面裂纹有限元计算
- Her grace and beauty lit up the room,and the hard faces of the cruel thieves softened as she passed them. 她的风度和美貌使满屋生辉，当她走过时，那些残暴的小偷们凶狠的面孔一下子变得温和起来。
- He was always cool in the face of danger. 他在危险面前总是镇静自若。
- We should hold on in the face of hardships. 在困难面前我们应该坚持。
- Her grace and beauty lit up the room, and the hard faces of the cruel thieves softened as she passed them. 她的风度和美貌使满屋生辉，当她走过时，那些残暴的小偷们凶狠的面孔一下子变得温和起来。
- He showed great bravery in face of danger. 面对危险，他表现得十分勇敢。
- We are powerless in the face of such forces. 面对这样强大的力量，我们无能为力。
- He succeeded in the face of great opposition. 尽管遭到许多反对,他还是成功了。
- On the face of it, it seems quite reasonable. 从表面看,这似乎很合理。
- She exhibited no fear in the face of danger. 她面对危险毫无惧色。
- They showed courage in the face of danger. 面对危险他们表现出了勇气。
- He has always flown in the face of custom. 他一向公然违抗习俗。
- Hard Facing is weld deposited Cobalt base alloy. 硬面焊接钴基合金沉淀物。
- We are considering a machine tool joint venture of moderate scale. 我们正在考虑建立一个中等规模的生产机床的合资企业。
- A knife is one of the simplest of tools. 刀是一种最普通的工具。
- A set of tools goes with each tractor. 每一台出售的拖拉机都附有工具一套。
- You should keep calm even in face of danger. 即使面临危险，你也应当保持镇静。
- In default of tools, he uses a knife. 因没有工具，他使用一把刀子。
