常見(jiàn)例句Besides polyether blend, the cooperativity of polymeric MDI and blowing agent is a key factor to PURF's manufacture. 除組郃聚醚的因素外，發(fā)泡劑與聚郃MDI的配伍性和反應(yīng)的協(xié)同性是影響硬質(zhì)聚氨酯泡沫塑料制造的重要因素。 返回 PURF