Oil spills into sewers and ground leaks are controlled better than they used to be, thanks to the increasing use of separator systems.

石油排入下水道和地面泄漏油比起以前有了更好的控制，这要归功于越来越多地使用分离系统。

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Oil spills into sewers and ground leaks are controlled better than they used to be, thanks to the increasing use of separator systems.

石油排入下水道和地面泄漏油比起以前有了更好的控制，这要归功于越来越多地使用分离系统。

youdao