题目内容

.切削用量中对切削热影响最大的是切削速度（）

查看答案

搜索结果不匹配？点我反馈

更多问题

切削用量中对切削力影响最大的是进给量（）

1．The development of electronics has had three important steps:（）, （）and（）.

A. computer
B. vacuum tube
C. transistor
D. integrated circuit

2．The first application of electron tubes were in（）.

A. radio
B. television
C. communication
D. broadcasting

3．（）had surpassed radio for home use and entertainment.

A. Communication
B. Television
C. Video camera
D. Personal computer