SPPO
美
英 
例句
Sulfonated poly(phenylene oxide)(SPPO)s with different sulfonation degrees were prepared by using chlorosulfonic acid as sulfonation agent.
以氯磺酸为磺化剂制备了一系列不同磺化度的磺化聚苯醚(SPPO)。
SPPO; Central Office for the Development and Promotion of Private Investment;
发展和促进私人投资中央办事处;