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- washover safety joint 冲洗安全接头
- Connect the safety joint and fishing jar. 连接安全接头和打捞震击器。
- In the light of the disadvantages and limitation of the existing unscrewing type or shearing type safety joints, a hydraulic sleeve type safety joint is designed. 针对现有倒扣式和剪断式安全接头结构上的局限性和缺陷,设计了液压滑套式安全接头。
- Also the tool can be used with safety joints,up jars,jar intensifiers,pipe cutters. 它可以与内割刀、震击器等工具配合使用。
- Hydraulic sleeve type safety joint 液压滑套式安全接头
- Development and application of hydraulic controlled safety joint 液控型安全接头的研制和应用
- It seemed an eternity before news of his safety reached her. 他平安的消息到达她那里之前，那段时间似乎是无限漫长的。
- Development and application of hydraulic controlling safety joint 液压控制型安全接头的研制和应用
- Thanks to I had tied then the safety belt. 幸亏我当时系上了安全带。
- The ship came about and headed back for safety. 这只船掉过头往回开到安全地带去。
- I don't wonder you were anxious about their safety. 你为他们的安全着急，我是不奇怪的。
- In the end they reached a place of safety. 他们终于到达了一个安全的地方。
- When do the new safety rules come into force? 新的安全规则何时生效?
- The safety precautions are totally inadequate. 这些安全措施完全不合格。
- I'm worried sick about my son's safety. 我十分担心我儿子的安全。
- If I lose my job, I've got no safety net. 我丢掉这份工作就无计可施了。
- We're all concerned for her safety. 我们都为她的安全担忧。
- The new aircraft is undergoing safety tests. 这种新飞机正在接受安全性能检验。
- His long absence raised fears about his safety. 他长期不在引起了大家对他的安全的担心。
- The new safety regulations are now in force. 新的安全规则现已生效。
