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The pump comprises mainly of pump body, cover, impeller, shaft, seal ring, intermediate support, sealing and suspension assembly, etc.
泵主要由泵体、泵盖、叶轮、轴、密封环、中间支架、密封和悬架部件等组成。
The results showed reactive PS containing oxazoline ring could be synthesized by the suspension polymerization and bulk polymerization mentioned in this paper.
结果表明，用本文所述自由基悬浮聚合或本体聚合方法都能合成含恶唑啉环的活性聚苯乙烯。
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