天然气是燃烧来加热干燥室的燃烧室的空气的。

Natural Gas is burnt to heat up air in the combustion chamber of the drying room .

youdao

天然气是燃烧来加热干燥室的燃烧室的空气的。

Natural Gas is burnt to heat up air in the combustion chamber of the drying room .

youdao