單項(xiàng)選擇題ZL50型裝載機(jī)發(fā)動(dòng)機(jī)油壓表指示發(fā)動(dòng)機(jī)潤滑系統(tǒng)主油道潤滑機(jī)油的壓力值,額定轉(zhuǎn)速時(shí)為()

A.0.20-0.25MPa
B.0.25-0.30MPa
C.0.30-0.35MPa
D.0.35-0.40MPa


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