40. Which of the following best describes the order of steps in the new process?
(A) Magnetize steel, mix rubber and plastic, make parts
(B) Powder tires, belt with steel, melt parts
(C) Grind tires, remove steel, mold into parts
(D) Melt tires, broaden belt, install parts

答案：登入後查看
統計： 尚無統計資料