燃烧两种性质差异很大的煤的翻译：Coal-burning nature of two very different 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

The burning of two very different nature of the coal

Coal-burning nature of two very different

Burns two nature difference very big coal

Two burning such a very different nature of coal

Coal-burning nature of two very different