A.66 B.83 C.100 D.103.4
A.最大轉(zhuǎn)速 B.最小轉(zhuǎn)速 C.額定轉(zhuǎn)速 D.任意轉(zhuǎn)速
A.50-65 B.70-95 C.100-120 D.50-100