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【单选题】
在《异步电动机连锁正反转控制》 电路图 中,依据对电路图的解读和理解,按动SB3,正常情况下,KM2的常闭端口应该断开,如果不断:A.
FU2的两个可能会烧毁
B.
FU2的其中之一会烧毁
C.
FU1的三个会烧毁
D.
FU1的左右两个或之一将会烧毁
E.
FU1的中间一个将会烧毁
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举一反三
【简答题】液晶屏LCD1602.rar 阅读代码 画出流程图并上传 3.利用仿真软件中c51示例做仿真 4.修改代码查看仿真效果的改变 5.把以上代码keil和protuse中工程文件压缩打包上传
【单选题】听力原文：W: Suppose the company offered you a pay rise of 50%, would you be so determined to leave and look for a job elsewhere? M: Yes. I've set my mind on it. I'd like to find a job with scope to show m...
A.
He is not equal to the job.
B.
He is not well paid for his work.
C.
He doesn't think the job is challenging enough.
D.
He cannot keep mind on his work.
【单选题】磨粒的微刃在磨削过程中与工件发生切削、刻划、摩擦抛光三个作用,粗磨时以切削作用为主、精磨分别以( )为主
A.
切削，刻划，摩擦
B.
切削，摩擦，抛光
C.
刻划，摩擦，抛光
D.
刻划，切削
【简答题】坐标面上的面力与应力大小相同,正负符号可以不同,符号不同的原因是()。
【单选题】磨粒的微刃在磨削过程中与工件发生切削、刻划、摩擦抛光三个作用，粗磨时以切削作用为主、辅磨分别以( )为主。
A.
切削，刻划，摩擦
B.
切削，摩擦，抛光
C.
刻划，摩擦，抛光
D.
刻划，切削
【单选题】关于商标专用权的说法,正确的是( )。
A.
商标专用权是一种有形财产权
B.
注册商标的有效期为10年
C.
转让注册商标的,由转让人向商标局提出申请
D.
商标专用权的有效期自提出申请之日起计算
【单选题】听力原文：W: Suppose the company offered you a raise in pay. Would you be so determined to quit the job? M: Yes. I've set my mind on it. I want to find a job in which I can fully exert my ability. Q: Why d...
A.
He is not satisfied with the pay.
B.
He is not able to enjoy paid holidays.
C.
The job is not very challenging for him.
D.
There is no hope of promotion.
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