A.≤1.5%~2% B.≤0.25%~0.50% C.≤0.5%~1% D.≤0.25%~0.35%
A.10% B.20% C.15% D.12%
A.全負荷和超負荷 B.正車和倒車 C.輕載航行和重載航行 D.部分負荷和超負荷