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问题详情

下列____液压油泵属于变量的是：

A、齿轮泵

B、单作用叶片泵

C、双作用叶片泵

D、B+C

时间：2021-09-03 16:48 关键词：联大河南理工大学液压传动技术

答案解析

B@#@B

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