高精度或形状特别复杂的箱体在粗加工之后还要安排一次()以消除粗加工的残余应力。A、淬 发布时间:2017-04-17 12:10 │ 来源:www.tikuol.com 题型:单项选择题 问题: 高精度或形状特别复杂的箱体在粗加工之后还要安排一次()以消除粗加工的残余应力。A、淬火B、调质C、正火D、人工时效
题型:单项选择题 ----- It appears that your relationship with Mike is not normal, doesn’t it?----- I thought of him as a trustworthy friend _____, to my shock, he gave me away to the boss.A.unlessB.sinceC.forD.until 查看答案