A kind of rigid polymer microsphere with core shell structure was synthesized by multi step composite emulsion polymerization technique.
通过多步复合乳液聚合方法合成了一种具有核壳结构的刚性聚合物微球。
The structure features and work principles of the multi-position series cylinder and the digital step-cylinder were introduced.
本文介绍了串联式多位气缸、数字步进气缸的结构特点和工作原理，指出存在的缺点。
Furthermore, the storage structure of single machining step and multi-machining-step, and the integrated storage method of all process data are discussed.
阐述单个工步数据的存储方法、工步间的数据存储方法和工步数据的集成存储方法。
The utility model provides a combined tile which has a multi-layer step structure, wherein each layer comprises at least two tile pieces;
一种组合瓦，为多层阶梯形结构，每一层包括至少两块瓦片；
The utility model provides a combined tile which has a multi-layer step structure, wherein each layer comprises at least two tile pieces;
一种组合瓦，为多层阶梯形结构，每一层包括至少两块瓦片；
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