Ensure words are spelled correctly. Try rephrasing keywords or using synonyms. Try less specific keywords. Make your queries as concise as possible.

Ensure words are spelled correctly. Try rephrasing keywords or using synonyms. Try less specific keywords. Make your queries as concise as possible.

近日，生态环境部布了《国家重点推广的低碳技术目录(第四批)》，包括6类共35项低碳技术，其中4项适用于石油和化工领域。 节能及提高能效类技术21项，应用于石油化工行业的有多孔表面高通量管高效换热技术、多能互补型直流微电网及抽油机节能群控系统 ...