问题
单项选择题
夹紧机构直接影响到（）。
A.加工质量
B.加工效率
C.工人劳动强度
D.操作安全
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
夹紧机构直接影响到（）。
A.加工质量
B.加工效率
C.工人劳动强度
D.操作安全
参考答案：D
用方框中所给单词的适当形式填空。
小题2:He was in music at the age of three. 小题3: to the West is one of the most famous novels in China. 小题4:Tom was annoyed because his classmate always his homework . 小题5:He hit his head ________ the wall in the dark room. |