单选题因先导式溢流阀造成系统压力过高的原因是()。A导阀打不开B外控口泄油C阻尼孔堵D外控口漏油
单选题
因先导式溢流阀造成系统压力过高的原因是()。
A
导阀打不开
B
外控口泄油
C
阻尼孔堵
D
外控口漏油
参考解析
解析:
暂无解析
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