V to remove (a motor, gun, etc) from its mounting or setting 把(发动机、枪等)卸下
Changing the way of motor starting, demounting off the original starting devices, using the soft starter to start the air-compressor;
改变电机启动方式，甩掉了原启动装置，采用软启动器启动空气压缩机；
The invention has the advantages of safe and labor-saving, convenient mounting, demounting and maintenance, being easy to pull the chains, etc.
本发明具有安全省力、便于安装及拆卸维护，以及便于拉动链条等优点。
The mounting and demounting direction will be indicated and lever can save energy when mounting or demounting oil gas compressor governor and cylinder by human.
当人装拆液化石油气调压器与液化石油气钢，能指明装与拆方向和通过 杠杆省力单向受力工作。
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