The drying of calcium carbonate made with nano-technology is currently by the methods such as baking at baking shop, drying at rotatingcolumn, spraying baking, flash drying and band-type baking.
纳米碳酸钙新产品的干燥，目前大多采用烘房烘干、转筒干燥、喷雾烘干、闪蒸干燥、带式烘干等方法。
2
The structure of the photographic elevator generally includes the bottom mobile car, the central column, the main rotating arm and the working platform, and so on.
摄影升降机的结构一般包括底部移动车、中心立柱、主回转臂和工作平台等几部分。
3
As a kind of non-evenly braced composite rotating thin-walled shell structures, the structural behavior and failure criterion of column supported steel silo are very complicated.