A.當(dāng)發(fā)動(dòng)機(jī)冷卻時(shí)
B.當(dāng)發(fā)動(dòng)機(jī)過熱時(shí)
C.當(dāng)機(jī)油濾清器被堵塞時(shí)
D.當(dāng)發(fā)動(dòng)機(jī)高轉(zhuǎn)速運(yùn)轉(zhuǎn)時(shí)

A.所有機(jī)油均經(jīng)過機(jī)油濾清器
B.一半機(jī)油經(jīng)過機(jī)油濾清器
C.經(jīng)過機(jī)油濾清器的機(jī)油量取決于機(jī)油的污染程度
D.經(jīng)過機(jī)油濾清器的機(jī)油量取決于機(jī)油的溫度