单选题If the viscosity of the liquid being transferred remains constant as the discharge pressure increases, the rotary pump （）.Acapacity will increaseBcapacity will decreaseCsuction pressure will increaseDsuction pressure will decrease
单选题
If the viscosity of the liquid being transferred remains constant as the discharge pressure increases, the rotary pump （）.
A
capacity will increase
B
capacity will decrease
C
suction pressure will increase
D
suction pressure will decrease
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