通过陶瓷自身显微结构设计来增强陶瓷材料的可加工性是解决陶瓷难加工问题的关键。
Improving machinability of engineering ceramic materials via microstructural design is the key to resolving the problem of difficult machining of ceramic materials.
本文研究了三角矩阵代数上保持交换性的可加映射的结构。
We study in this paper the structure of additive mappings on triangular matrix algebras which preserve commutativity.
具有造型美观，结构紧凑，操作方便，主要用于小麦制粉，也可加工高梁玉米、化工等颗粒状物料。
The advantages are beautiful appearance, compact structure, easy operation, etc. This machine is mainly used for wheat as well as jowar, corn and chemical granule material.
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