de-oiling

例句：

1. 1. The machine needs to be de-oiled before it can be used again.
   这台机器需要在使用前进行脱油处理。
2. 2. The oil spill is a major environmental issue that needs urgent de-oiling efforts.
   石油泄漏是一个重要的环境问题，需要紧急的脱油努力。
3. 3. The company has implemented stricter regulations to prevent further de-oiling of their products.
   该公司已实施更严格的规定，以防止其产品进一步脱油。