A.m2/hm2 B.% C.萬(wàn)m2/萬(wàn)m2 D.無(wú)單位
A.45.1~60.0 B.60.1~75.0 C.75.1~90.0 D.90.0~105.0
A.8.0~20.0 B.7.0~15.0 C.≥9.0 D.≥5.0