用______结合剂制成的砂轮应用范围最广。A.陶瓷 B.树脂 C.橡胶 发布时间:2017-05-28 22:46 │ 来源:www.tikuol.com 题型:单项选择题 问题: 用______结合剂制成的砂轮应用范围最广。A.陶瓷B.树脂C.橡胶
题型:单项选择题 28.—Surely you can turn to David for help. —__________He is the last one you can depend on.A.I couldn’t agree more.B.Is that right?C.Get out of it!D.It’s up to you. 查看答案