常見(jiàn)例句High resilience polyurethane slabstock foam based on self-produced polyether polyol was prepared. 以自產(chǎn)聚醚多元醇為主要原料，試制成高回彈塊狀聚氨酯軟泡。New Silicone Surfactant with Widest Applicability for Flexible Ether Slabstock Foams 在軟質(zhì)聚醚型聚氨酯塊狀泡沫中具有最廣適用性的新型硅表面活性劑 返回 slabstock