单项选择题

In the design of hydraulic piping and equipment consideration is given to minimize turbulence in the hydraulic fluid, as this will cause（）

A.molecular fluid vibration
B.energy losses
C.wide pressure variations
D.mechanical damage to control valves

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船舶电气与船舶安全

In the design of hydraulic piping and equipment consideration is given to minimize turbulence in the hydraulic fluid, as this will cause（）