A. outputpressureincreases B. flowrateincreases C. flowratedecreases D. nothinghappens
A. therewill be noflowrate B. flowrateismaximum C. flowrateisminimum D. noneoftheabove
A. abentpumpaxis B. abentcylinderaxis C. abentdriveshaft D. cylinderblockinclinedtothedriveshaft
A. cylinderblockinclinedtothedriveshaft B. abentpumpaxis C. alloftheabove D. noneoftheabove
A. smoothandquietoperation B. highoutputpressure C. lowcostofproduction D. alloftheabove
A. 对 B. 错
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