活塞油
relationship among diameter of piston, oil pressure and push f orce
油缸内径压力及推力间对应关系
in general the elevator is lowered by its own weight as the driving force, the lower portion of the piston oil out, oneself down.
一般升降机下降靠自身重量为动力,将活塞下部的油压出去,自身渐渐下降。
Die Casting Machine Supplies: plunger head , cylinder, piston oil spray, and so on.
压铸机的耗材: 柱塞头,料管, 柱塞油,喷雾剂等.
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