Bai Dagua wearing them, wearing a white hat, clean, smiling, being around next to the teacher, to learn cheese burning technology.

她们穿着白大褂，戴着白帽子，干干净净，笑容满面，正围在老师旁边，学习烧奶酪技术。

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Circulating fluidized bed boiler (CFB) is a kind of technology which is fuel adaptable broadly and clean-burning.

循环流化床燃烧是一种燃料适应性广、清洁燃烧的技术。

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