坐标镗床进行淬火钢的孔加工时,应注意哪些方面? 发布时间:2020-02-10 04:08 │ 来源:www.tikuol.com 题型:问答题 简答题 问题: 坐标镗床进行淬火钢的孔加工时,应注意哪些方面?
题型:问答题 简答题 They _____ this estimate ______ the figures for the last three years. [ ]A. are based; withB. based; according toC. are based; onD. based; upon 查看答案