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这种推荐的活塞结构适用于石油钻井及其他工业部门使用的单作用泥浆泵。其结构的基本特点是:当泵在运转时,可将足够的压力液压入活塞钢芯与缸套的间隙内,并在
This recommended piston structure is suitable for single acting mud pumps used in oil drilling and other industrial sectors. The basic features of the structure are: When the pump is running, sufficient pressure can be hydraulic pressure into the gap between the piston steel core and cylinder liner, and at