問題詳情
17. Which of the following are NOT advantages of die casting over sand casting:
(A) better surface finish,
(B) closer tolerances,
(C) higher melting temperature metals,
(D) higher production rates,
(E) mold canbe reused?
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增