33.下列何者主要用來測量石膏的硬化時間(setting time)?
(A)諾氏硬度計(Knoop hardness tester)
(B)維克氏硬度計(Vickers hardness tester)
(C)吉摩針(Gillmore needle)
(D)萬能材料試驗機(universal testing machine)

答案:登入後查看
統計: A(1), B(1), C(19), D(1), E(0) #3817468