n.聚苯乙烯
The computer is packed in expanded polystyrene before being shipped. 這臺計(jì)算機(jī)運(yùn)送前用彈性聚苯乙烯包裝。
This article deals with the degradation of polystyrene foam in supercritical water. 本文研究了聚苯乙烯泡沫在超臨界水中的降解反應(yīng)。
