135.爐膛容積熱負荷強度的單位是
(A)kcal/m3
(B)kcal/(m3•h)
(C)kcal/(m2•h)
(D)kcal/m2

答案:登入後查看
統計: A(3), B(50), C(4), D(2), E(0) #1770025