问题
多项选择题
溴化锂吸收式制冷机机组定期保养有：（）。
A.日保养
B.月保养
C.小修保养
D.大修保养
答案
参考答案：A, C, D
搜题请搜索小程序“爱下问搜题”
溴化锂吸收式制冷机机组定期保养有：（）。
A.日保养
B.月保养
C.小修保养
D.大修保养
参考答案：A, C, D
| 从方框内选择合适的短语，并用其适当形式完成句子。 | |
2. Mr Green has two children. His son looks like him and his daughter _______ his wife. 3. We will meet with some problems, although everything _______ fine now. 4. They _______ the house before they moved in. 5. Whenever you have any problems, you can _______ help. |