蒸煮锅可以采用直接加热或间接加热方式，有时也使用外部液体循环系统加热。

The digesters may be heated with direct or indirect steam and, in some cases, an outside liquor circulating system is used.

youdao

采用导热油管道间接加热的方式，对油质不会造成破坏，延长了炸油的更换周期。

Using thermal conductive tubing through indirect heating way, could not cause damage to oily, extend the frying oil change cycle.

youdao

采用导热油管道间接加热的方式，对油质不会造成破坏，延长了炸油的更换周期。

Using thermal conductive tubing through indirect heating way, could not cause damage to oily, extend the frying oil change cycle.

youdao