防止有坠落、崩塌等之虞之作业场所引起之危害。

To prevent the risk of injury posed by falling and collapsing at the job site;

youdao

防止有坠落、崩塌等之虞之作业场所引起之危害。

To prevent the risk of injury posed by falling and collapsing at the job site;

youdao