因此，降低燃油中的硫含量已成为迫在眉睫的问题。

Therefore the imminent problem is to decrease the contain of the sulphur in fuel.

youdao

因此，降低燃油中的硫含量已成为迫在眉睫的问题。

Therefore the imminent problem is to decrease the contain of the sulphur in fuel.

youdao