It was found that isomerization existed between dihydropimaric\isopimaric-type resin acids due to the shift of double bonds.是什么意思_It was found that isomerization existed between dihydropimaric\isopimaric-type resin acids due to the shift of double bonds.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句