43. 鹽性鹼土指土壤中飽和浸出液之導電度在 25℃時:
(A)小於 4millimhos/㎝
(B)等於 4millimhos/㎝
(C)大於 4millimhos/㎝
(D)0millimhos/㎝ 。

答案:登入後查看
統計: A(1), B(0), C(3), D(2), E(0) #2944413