合适才是最好

M3*0.5 M4*0.7 M4*0.5 M5*0.8 M5*0.5 M6*1.0 M6*0.75 M6*0.5 M7*1 M8*1.25 M8*1.0 M9*1.25 M9*1.0 M9*0.75 M10*1.5 M10*1.25 M10*1.0 M10*0.75 M12*1.75 M12*1.5 M12*1.25 M12*1.0 M14*2.0 M14*1.5 M14*1.25 M14*1.0 M16*2.0 M16*1.5 M16*1.25 M16*1.0 M18*2.5 M18*2.0 M18*1.5 M18*1.0 M20*2.5 M20*2.0 M20*1.5 M20*1.0 M22*2.5 M22*2.0 M22*1.5 M22*1.0 M24*3.0 M24*2.0 M24*1.5 M24*1.0 M25*2.0 M25*1.0 M26*3.0 M26*2.0 M26*1.5 M26*1.0 M27*3.0 M27*2.0 M27*1.5 M27*1.0 M30*3.5 M30*2.0 M30*1.5 M30*1.0