need polystyrene
需要聚苯乙烯
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Whether to need in the existing technology premise too much progress polystyrene foamed plastic and polyurethane hard foam flame retardancy index?
是否需要在现有的技术前提下过多地进步聚苯乙烯泡沫塑料和聚氨酯硬质泡沫的阻燃性指标？
youdao
In 1971 came noodles in heat-proof polystyrene cups, so that the hungry did not even need to get their bowls out of the cupboard.
ECONOMIST: Momofuku Ando
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