原油不加热输送技术在油田大面积推广后，取得了明显的经济效益。

This technology has been extended in a large area and achieved obvious economicrsults.

youdao

取得了明显的经济效益和社会效益。

Good economic and social benefits have been achieved.

youdao

在生产上推广应用后，取得了明显的经济效益。

This method has obtained remarkable economic benefit in production.

youdao

在生产上推广应用后，取得了明显的经济效益。

This method has obtained remarkable economic benefit in production.

youdao