问题
判断题
磨床砂轮主轴轴承磨损,配合间隙过大，不但能使磨削工件超差，同时还会因产生振动而使工件表面出现直波纹。
答案
参考答案：错
搜题请搜索小程序“爱下问搜题”
磨床砂轮主轴轴承磨损,配合间隙过大，不但能使磨削工件超差，同时还会因产生振动而使工件表面出现直波纹。
参考答案：错
Passage 1
How are the minority groups covered in British news media a. They are scarcely covered in any news media. b. They are widely covered in all kinds of news media. c. They are covered only in some special programs and tabloids. d. They are covered only in some mainstream TV programs and big newspapers.