A.疏枝 B.抹芽 C.曲枝 D.回縮
A.0.2-0.3% B.0.3-0.5% C.0.1-0.2% D.0.4-0.5%
A.少且壽命長(zhǎng) B.少且壽命短 C.多且壽命長(zhǎng) D.多且壽命短