问题
单项选择题
压缩机由于安全保护系统动作而自动停机属于（）停机。
A.计划
B.正常
C.事故
D.正常或事故
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
压缩机由于安全保护系统动作而自动停机属于（）停机。
A.计划
B.正常
C.事故
D.正常或事故
参考答案：C
| 从A、B、C、D四个选项中找出一个错误的并改正。 | |
| 1. He and his friends had a fun playing basketball. A B C D 2. Tom borrowed these new shoes to Jim last night. A B C D 3. He didn’t went to school last week. A B C D 4. Jack went to see his teacher and asks some questions. A B C D 5. He drove his new car and stoped in the street yesterday. A B C D | _________ _________ _________ _________ _________ |