计算题:镗削一长轴为80mm、短轴为60mm的椭圆孔。求刀尖回转半径和立铣头偏转角度 发布时间:2017-08-02 17:12 │ 来源:www.tikuol.com 题型:问答题 简答题 问题: 计算题:镗削一长轴为80mm、短轴为60mm的椭圆孔。求刀尖回转半径和立铣头偏转角度?
题型:问答题 简答题 The conference was held to discuss the effect that tourism has ________ the wildlife in the area.A.inB.onC.atD.with 查看答案