【名词&注释】
平衡阀(balance valve)、轴向柱塞泵(axial piston pump)、液压控制阀(hydraulic control valves)、方向控制阀、溢流节流阀(overflow throttle valve)
[单选题]斜盘式轴向柱塞泵推荐以辅泵向吸入侧供油，并不是为了( )。
A. 防止气穴现象
B. 提高容积效率
C. 避免柱塞球铰受拉
D. 提高排出压力
查看答案&解析
举一反三：
[单选题]To reduce the weight of the reciprocating parts, pistons of high-speed engines are made considerably shorterThis results in __________.
A. less piston slap and quieter running
B. increased crankshaft bearing wear
C. slightly greater piston wear
D. decreased side pressures
[单选题]下列液压控制阀中属于方向控制阀的是( )。
A. 平衡阀
B. 顺序阀
C. 溢流节流阀(overflow throttle valve)
D. 液压锁
本文链接：https://www.zhukaozhuanjia.com/download/wwln0l.html
