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低压系统作安全阀的溢流阀,一般选择____结构。
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低压系统作安全阀的溢流阀,一般选择____结构。
A、差动式
B、先导式
C、直动式
D、锥阀式
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
C@#@C
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