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缆又能封闭井口的装置，极大地满足了油田捞油作业的安全。
The equipment of high-speed wire and rod mill and the characteristic of No 3 flying shear are introduced!
介绍了安钢高速线材机组设备的装备水平及3号飞剪的动作特点；
Flying shear is used to cut head and end and design length as well as accident on wire rod producing.
线材生产中的飞剪机是用来切头、切尾、以及当出现事故时切取定尺的。
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