=Fn[c()+()2+y()+1 发动机负荷 72 2(1+ 1 (1+ )(3-2 2 )-2K (1 特性经验公式 2 Km(1+ k(1-2k 2 1 3 3 2 /7. K 2./n n2 In ax 23 2 10/48 合|U10/48