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vi.失去挥发性物质(devolatilize的过去式和过去分词)
vt.去除挥发性物质(devolatilize的过去式和过去分词)
1、Using the proposed vertical rotating packed bed, the acrylonitrile monomer removal efficiency from polyacrylonitrile can be achieved to over 99% upon twice devolatilized.───采用该技术对丙烯腈系聚合物进行两次循环脱挥处理,丙烯腈脱除率达到99%以上。