题目内容

电主轴具有的优点包括( )

A. 简化结构,促进机床结构模块化
B. 降低机床成本,缩短机床研制周期
C. 改善机床性能,提高可靠性
D. 高档数控机床、如并联运动机床的特殊要求

查看答案
更多问题

人畜共患寄生虫疾病有哪些?(列举3种以上)

He writes on both sides of the sheet to ________ paper.

A. converse
B. convert
C. conserve
D. consent

The computer laboratory is an essential ______ for students.

A. source
B. force
C. resource
D. reinforce

After a ______ debate, members of the committee finally voted to approve the funding.

A. contentious
B. abstentious
C. contented
D. contended

答案查题题库