焦炉煤气输气工程前端预处理的翻译：Coke oven gas gas transportation engineering front end preprocessing 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

Coke oven gas gas engineering front-end pre-

Coke oven gas gas transportation engineering front end preprocessing

The coke gas loses was mad front end the project pretreats

coke oven gas pipelines, gas works pre-processing front-end

Coke oven gas gas transportation engineering front end preprocessing