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- The strength of the workover derrick is a safely factor to secure normal workover operation. 大型修井机井架的强度是保证正常修井作业的安全指标。
- Test research and analysis on new type workover derrick by truck 新型车载式作业井架静动态应力测试与分析
- The ginpole is the simplest form of derrick. 起重吊杆是一种最简单的起重机。
- workover derrick 修井机井架
- After removing the oil derrick, it will serve as a well-wheeled machine for workover operations. 拆除采油井架后,又可作为轮式通井机使用,用于修井作业。
- We put up at the surface an oil derrick. 我们就在那块地面上竖起一个井架。
- Could you give me a hand in adjusting the derrick? 你是否能帮我调整一下吊杆?
- Do you give me a hand in adjusting the derrick? 你看是否能把我们的安排通知领班?
- Derrick: That is what I understand. 这我清楚。
- Derrick: Your boyfriend left you for your friend? 德瑞克:妳男朋友为了妳的朋友离开妳?
- The operating test for rubbish derrick. 垃圾吊收放试验。
- How many lights are there on the derrick? 井架上有多少个灯?
- DERRICK KATE I know you will. I will too. 我知道你会,而且我也会想念这个地方。
- DERRICK So in other words we're moving. 也就是说我们要搬家。
- Development and application of workover rig with blowout preventer. 防喷作业机的研制与应用。
- The derrick escape line has to be function-tested. 井架工逃命绳要做功能试验。
- Dad: What if Derrick were one of them? 爸爸:如果迪瑞克就是那样的人怎么办?
- To raise or lower(the boom of a crane or derrick. 升降使起重机的吊臂上升或下降
- Michelle thought Derrick was a high school student. 米歇尔原以为迪瑞克是高中生。
- To raise or lower(the boom of a crane or derrick). 升降使起重机的吊臂上升或下降