污染损害民事责任有哪二种?
参考答案:
排除危害、赔偿损失。
There are some boys______soccer on the playground. [ ]
A. play
B. to play
C. playing
D. are playing
分油机日常检查中对电动机主要检查()。
A.是否润滑良好
B.是否存在异常振动
C.是否存在过热、振动和噪声
D.是否转动平稳