 |
| |||
| 事故严重程度率指工厂事故造成每千工作人时损失的工作日数。在美国指一年中每一百万实际工作人时发生重伤、死亡事故的次数。 | |||
| 事故严重率 | |||
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips