ramwire是什么意思


ramwire是什么意思

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ram wire 冲压线The shear ram valve not only can shear wire ropes, but also can close a well mouth, thereby largely satisfying the safety of pumping operation in an oil filed. 本实用新型既能剪切钢仿猜缆又能封闭井口的装置,极大地满足了油田捞油作业大孝的安全 。滚大稿
【ramwire是什么意思】

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