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。

youdao

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。

youdao