正确答案: D
提高排出压力
题目:斜盘式轴向柱塞泵推荐以辅泵向吸入侧供油,并不是为了( )。
解析:D
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举一反三的答案和解析:
[单选题]To reduce the weight of the reciprocating parts, pistons of high-speed engines are made considerably shorterThis results in __________.
slightly greater piston wear
[单选题]下列液压控制阀中属于方向控制阀的是( )。
液压锁