采用()作为统一基准镗削主轴箱孔,中间导向支架可直接固定在夹具体上不需拆卸,因而能保 发布时间:2019-02-01 04:44 │ 来源:www.tikuol.com 题型:多项选择题 问题: 采用()作为统一基准镗削主轴箱孔,中间导向支架可直接固定在夹具体上不需拆卸,因而能保证加工精度。A.顶面B.两个销孔C.底面D.侧面E.导向面F.端面
题型:多项选择题 Mr. Black is very happy because the clothes made in his factory have never been _________.A.popularB.more popularC.most popularD.the most popular 查看答案