A.1% B.2% C.3% D.5%
A.0.1% B.0.2% C.0.3% D.0.5%
A.視準(zhǔn)軸、水平軸和水準(zhǔn)管軸 B.視準(zhǔn)軸、水平軸和豎軸 C.水平軸、豎軸和水準(zhǔn)管軸