题目内容

It is reasonable for people to pursue a career in fields related ____ their favorite hobbies()

A. for
B. on
C. to
D. with

查看答案
更多问题

It was because of his good performance at the interview ____ he got the job with the big company()

A. so
B. while
C. what
D. that

粗丝C02焊中,熔滴过渡往往是以()的形式出现

A、喷射过渡
B、射流过渡
C、短路过渡
D、粗滴过渡

C02焊用的C02气体纯度,一般要求不低于()

A、95%
B、99%
C、99.5%
D、99.9%

目前焊丝外层镀铜主要目的是()

A. 增加焊丝导电性
B. 防止焊丝氧化
C. 增加合金含量
D. 增加合金含量

答案查题题库