火力发电厂的施工产品生产的全过程都伴随着销售，而且产品具有唯一性。

The whole process is accomplished with sales. Besides, the goods has its uniqueness.

youdao

火力发电厂的施工产品生产的全过程都伴随着销售，而且产品具有唯一性。

The whole process is accomplished with sales. Besides, the goods has its uniqueness.

youdao