海词手机词典

The polyurethane/4A zeolite composites was prepared by pre-polymerization method,from the polyethylene glycol adipate(PEA),toluene 2,4-diisocyanate(TDI-100),extender(MOCA) and 4A zeolite.

播放读音 播放读音

以上内容独家创作,受著作权保护,侵权必究

海词词典,十七年品牌