According to carburizing steel's chemical composition and ore's case carbon requirements, the carbon potential of furnace inside atmosphere is controlled quantitatively.

根据所采用渗碳钢的化学成分及渗件表面合联量，对炉气联势进行定量控制。

youdao

Since we’re inside with doors and windows closed for most of the winter it’s important to keep the furnace filters clean and clear of dust and other debris.

因为在冬天的大多数时候都会紧闭门窗，所以保持暖气过滤网干净、清洁、没有灰尘和碎石是很重要的。

youdao

Since we're inside with doors and Windows closed for most of the winter it's important to keep the furnace filters clean and clear of dust and other debris.

因为在冬天的大多数时候都会紧闭门窗，所以保持暖气过滤网干净、清洁、没有灰尘和碎石是很重要的。

youdao