A.30% B.25% C.15% D.10%
A.14項(xiàng) B.15項(xiàng) C.16項(xiàng) D.17項(xiàng)
A.揉捻時(shí)間太短 B.揉捻時(shí)間過長(zhǎng) C.殺青溫度偏低 D.殺青溫度過高