Energy or industrial base, it is not only power, and some still important chemical raw material.

能源还是工业的基础，它不仅是动力，有的还是重要的化工原料。

youdao

Energy or industrial base, it is not only power, and some still important chemical raw material.

能源还是工业的基础，它不仅是动力，有的还是重要的化工原料。

youdao