Of a box structure and a lever-petal type spring-pressuring structure used for pressure transmission, easy to be adjusted , operated and maintained.
外表采用机箱结构，压力传递采用杠杆踏板式弹簧加压结构，调节、操作、维修均方便。
Of a box structure and a lever-petal type spring-pressuring structure used for pressure transmission, easy to be adjusted , operated and maintained.
外表采用机箱结构，压力传递采用杠杆踏板式弹簧加压结构，调节、操作、维修均方便。
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