单选题会影响内曲线液压马达每转排量的是()直径。A配油轴B油缸体C滚轮D柱塞

单选题
会影响内曲线液压马达每转排量的是()直径。
A

配油轴

B

油缸体

C

滚轮

D

柱塞


参考解析

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