n. 变色；污染
1.A detailed research of discolorment mechanism on oil-extended SBS is conducted and the resolvents are given out.
对充油s BS的变色机理进行了研究，并提出了相应的解决措施。
2.A detailed research of discolorment mechanism on oil-extended SBS is conducted and the resolvents are given out.
对充油s BS的变色机理进行了研究，并提出了相应的解决措施。