选择题:数控机床上常用的直线位置检测元件是……………………………………………( )①光栅、磁栅、旋转变压器 题目分类:湖南大学-机械设计 题目类型:选择题 查看权限:VIP 题目内容: 数控机床上常用的直线位置检测元件是……………………………………………( )①光栅、磁栅、旋转变压器 ②光栅、磁栅、光电编码盘③光栅、磁栅、感应同步器 ④光栅、磁栅、接触式编码盘 参考答案:
I enjoyed his new book though it’s not quite as go I enjoyed his new book though it’s not quite as good as his last one. 分类:湖南大学-机械设计 题型:选择题 查看答案
Most major newspapers and trade publications have Most major newspapers and trade publications have online versions of their class 分类:湖南大学-机械设计 题型:选择题 查看答案