The flange sealing surface should be smooth and clean, to seriously clean up oil and rust during installation.

法兰密封面应平整清洁，安装时要认真清理油污和锈斑。

youdao

Seriously, it'll make you want to clean more.

说真的，这会让你想要继续打扫。

youdao

The measure of Mr Bush's failure to tackle this issue seriously is his continued rejection of the only two clean and efficient solutions to climate change.

布什并没有认真对待这一问题。之所以这么说，是因为他仍拒绝采用解决气候变化问题仅有的两种既高效又清洁的方法。

youdao

The measure of Mr Bush's failure to tackle this issue seriously is his continued rejection of the only two clean and efficient solutions to climate change.

ECONOMIST: Climate change

Their promises to clean up the system, therefore, cannot be taken seriously.

ECONOMIST: Uncertainty in Taiwan