皮皮学，免费搜题
登录
搜题
【单选题】
当数控系统切削进给指数加减速时间常数为 0 时,指数加减速机能( )。A.
无效
B.
有效
C.
最小
D.
最大
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】Those who are not on the spot will get their impressions ______ through television and radio coverage and then through newspapers．没有在现场的人们首先要通过电视和电台然后通过报纸得到印象。
【单选题】There is not much ______ left for those books on the shelf. Better clear some away.
A.
place
B.
area
C.
space
D.
room
【单选题】There _____not a means to get in touch with those comrades on the mountains
A.
was
B.
were
C.
was a
D.
were a
【简答题】下列应采用三栏式明细分类账的有( )。
【判断题】Usually, lower duties are levied more on the imported goods that are needed by the country than on those not essential for the country.
A.
正确
B.
错误
相关题目：
参考解析：
知识点：
题目纠错 0
发布
