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

答案:登入後查看
統計: A(70), B(15), C(10), D(2), E(0) #2095203