常见例句Some properties of the meltable PAN (MPAN) resin is studied , such as chemical composition , molecular weight , the contents of AN unit and the reologic property. 研究了自制的可熔融聚丙烯腈(MPAN)樹脂的可熔融性及其熔躰的流變性能。Cîmpan 肯潘 返回 Mpan