Polyurethane foam spray 翻译过来是什么东东?

POLYURETHANE FOAM是什么材料 Laminated fabric with polyurethane foam Polyurethane foam spray 翻译过来是什么东东? PU材质和polyurethane foam是一样的么? polyurethane polyurethane polyurethane polyurethane foam这个词什么意思PU发泡？那是什么？谁知道海绵的化学成分怎么讲啊？ foam 聚氨酯泡沫（Polyurethane foam ）就是EVA吗做鞋底的,客户说要Polyurethane foam （聚氨酯泡沫）这个材料的鞋底,好像是跟太空鞋（moon boots）的材料是一样的. polyurethane是什么意思 polyurethane methacrylate 英语翻译Tools have been manufactured previously using the sheet-additive technique; blanking tool and die set (Yokoi 1984),polyurethane foam moulding tool (Dickens 1996),metal Forming dies (Walczyk 1994,1998),Wimpenny 1999),injection moulding die SP. SP. foam cleansing Siliconated polyurethane 怎么翻译 polyester polyurethane是什么意思