The compressed air powered wrench is capable of providing revert-torque to retrievable bolt end and sustain drag force.
该锚杆回收扳手由压气驱动，在给可回收锚杆的尾部提供反扭矩的同时，还可以承受拉力。
The compressed air powered wrench is capable of providing revert-torque to retrievable bolt end and sustain drag force.
该锚杆回收扳手由压气驱动，在给可回收锚杆的尾部提供反扭矩的同时，还可以承受拉力。
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