唐钢转炉二次除尘风机变频改造纪实的翻译：Tangshan iron and steel converter report on the transformation of secondary dust removal fan frequency conversion 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Tangshan Iron and Steel transformation frequency converter secondary dedusting fan documentary

Tangshan iron and steel converter report on the transformation of secondary dust removal fan frequency conversion

Tang steel converter two dust removal air blower frequency conversion transformation on-the-spot report

Tang steel converter 2 times wind machine variable frequency transformation dust documentary

Tangshan iron and steel converter report on the transformation of secondary dust removal fan frequency conversion