Top, the calcinator in the sodium tripolyphosphate plant; above, the atomic absorption spectrophotometer, being used in the laboratory.

（上）焙烧机一。（）验室中的原子吸收光谱机。

Moreover, based on the merit and the shortcoming of the fluidized calcinator, it provides a new spiral flow calcinator.

于流态化煅烧炉的优缺点，了一种新型旋流煅烧炉的设想。