A.450KPa B.500KPa C.550KPa D.600KPa
A.0.5mm B.0.6mm C.1mm D.1.6mm
A.增大轉速,降低轉距 B.增大轉速,增大轉距 C.降低轉速,降低轉距 D.降低轉速,增大轉距