A.2.5Mg/L B.2.0Mg/L C.3.0Mg/L D.4.0Mg/L
A.活塞上止點(diǎn)到燃燒室頂?shù)娜莘e B.活塞從上止點(diǎn)到下止點(diǎn)所掃過的容積 C.以上說法都不對(duì)