A.12.7*0.39 B.11*0.38 C.9.52*0.38 D.11*0.37
A.12.7*0.39 B.11*0.38 C.9.52*0.38 D.7.5*0.33
A.轉(zhuǎn)/米 B.轉(zhuǎn)/分 C.轉(zhuǎn)/秒 D.轉(zhuǎn)