ketone resins的用法和樣例：
例句
- The resins were used to turn out millions of helmet liners.
用這類(lèi)樹(shù)脂生產(chǎn)了成百萬(wàn)只鋼盔內襯。 - The rosin modified phenolic resin, a mainly important one among all resins used as bands for offset inks, has the call for printing ink.
松香改性酚醛樹(shù)脂是平版油墨用連接料樹(shù)脂的主要代表，也是印刷油墨中用量最大的一類(lèi)樹(shù)脂。
