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楼主 |
发表于 2011-1-4 13:01
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来自: 中国江苏南通
还有就是,drill deck 和 drill floor 是一个意思吗?
The rams are vertically installed between the derrick legs, pushing in the centre of the sheaves c1uster. The rams are supported by flanges bolted on top of the ram support frame (A-frame). The system consists of 3 cylinders.
这里的ram是什么意思啊?
Deadline compensator 是“死绳补偿器”吗?? |
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