按苏联标准测取不同的缸套直径时，得出的配合间隙值也各不相同。
According to the standards of USSR, the clearance is different if cylinders with different diameters are chosen to be measured.
该泵通过更换不同直径的缸套、活塞套和活塞，可获得不同的流量与压力。
The pump by changing different diameter of the cylinder liner, piston and piston, can obtain the flow and pressure differences.
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