A.26NPH+14Reg10NPH+10Reg B.20WPH+10Reg20WPH+10Reg C.18NPH+7Reg5NPH+5Reg D.40Ultralente+4Reg8Reg8Reg E.20Ultralente+4Reg8Reg20U1tralente+8Reg
A.相輔相成B.激烈競爭C.各自為謀D.相互羈絆
A.高利潤區(qū)B.低利潤區(qū)C.趨于比較平緩的利潤