additive
乳剂补加物 [助剂] emulsion additive
儿童免疫力增加膳食补充剂 immunity boosting dietary supplement for children
采取自动连续补加方式，可以使催化剂保持高性能，从而获得稳定的丙烯腈收率，实现反应器平稳优化操作。
The results showed that the catalyst maintained high characteristics, stationary acrylonitrile yield was obtained and the operation of fluidized bed reactor was optimized.
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