____ can be used to prevent hydraulic system overloaded or keep the pressure of oil outlet

职业资格 专八 已帮助 人

____ can be used to prevent hydraulic system overloaded or keep the pressure of oil outlet from pump constant

A.Overflow valve

B.Reducing valve

C.Balancing valve

D.Reducing valve or balancing valve

请帮忙给出正确答案和分析,谢谢!

热搜:关于氨基酸代谢错误的论述是_________。