A.L’>L+FV>V’ B.L’=L;V=V’ C.L’=L+FV=V’ D.L’=L;V=V’+F
A.是兩操作線交點(diǎn)的軌跡 B.其斜率僅與進(jìn)料狀況有關(guān) C.能影響兩操作線的斜率 D.與對(duì)角線的交點(diǎn)僅由進(jìn)料組成決定