The invention discloses a screw clamping jaw and screw locking equipment, and relates to the clamping jaw field.

一种螺丝夹爪及锁螺丝设备，涉及夹爪领域。

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According to the requirements of, the technological reconstruction of locking control of shaft signal and machine operation equipment is carried out.

根据《煤矿安全规程》规定的要求，对井口信号与操车设备实施闭锁控制的技术改造。

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Three, with multiple security and self-locking function, do not need any other door equipment.

具有多重安全保障及自锁功能，无需别家任何栓门器材。

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Devon and Cornwall Police advises locking or immobilising vehicles and equipment when it is not in use, and avoiding leaving machinery in isolated locations or fields where it could be removed without attracting attention.

BBC: Thefts from South West farms cost ?8.3m