Rosin modified alkyd resin prepared by soybean oil stocks had reliable performance and stable quality.

以大豆油脚为原料，研制的松香改性醇酸树脂，性能可靠、质量稳定。

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Rosin modified alkyd resin prepared by soybean oil stocks had reliable performance and stable quality.

以大豆油脚为原料，研制的松香改性醇酸树脂，性能可靠、质量稳定。

youdao