25.()常規種子貯藏時,其含水量應控制在多少的範圍?
(A)1-2%
(B)4-6%
(C)10-15%
(D)15-20% (復文果樹Ip.98)

答案:登入後查看
統計: A(0), B(13), C(2), D(0), E(0) #2714574