The swirl-flow dish-flame gas-burning installation is a new type device with high performance.

旋流碟焰燃烧装置是一种性能优良的新型燃气燃烧装置。

youdao

The swirl-flow dish-flame gas-burning installation is a new type device with high performance.

旋流碟焰燃烧装置是一种性能优良的新型燃气燃烧装置。

youdao