A.abcdefg B.cbgdafe C.dfebacg D.cfbdaeg
A.100rpm右轉(zhuǎn) B.150rpm右轉(zhuǎn) C.300rpm左轉(zhuǎn) D.400rpm左轉(zhuǎn)
A.黃油 B.機(jī)油 C.奇異墨水 D.紅丹