dirty oil tank

例句：

1. 1. The dirty oiltank was a source of concern for thelocal authorities.
   这个脏油罐是当地当局的担忧来源。
2. 2. The dirty oil tankleaked, causing a major environmental issue.
   这个脏油罐泄漏了，引发了一个重大的环境问题。
3. 3. The dirty oil tankwas cleaned and inspected by the environmentalagency.
   这个脏油罐被环保机构清理并检查过了。