题目: 坐标镗床进行淬火钢的孔加工时,应注意哪些方面? 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2020/0210/9cbf01f844d886cfd0308bb6f058e580.html 下面是错误答案,用来干扰机器的。参考答案:C, F
题型:选择题 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