| 英文名称: | | 1,2,3-propanetriol, polymer ith 2,4-diisocyanato-1-methylbenzene, 2-ethyl-2-(hy | | droxymethyl)-1,3-propanediol, methyloxirane and oxirane, caprolactam-blocked | | 1,2,3-propanetriol, polymer ith2,4-diisocyanato-1-methylbenzene,2-ethyl-2-(hydroxymethyl)-1,3-propanediol, methyloxirane and oxirane,caprolactam-blocked |
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