常見(jiàn)例句雙語(yǔ)例句Varnish is made from the rosin ester or rosin modified phenolic resin and reaction with mineral oil, vegetable oils and other additives (such as gelling agent and chelating agent).油墨連接料樹(shù)脂（俗稱(chēng)軟樹(shù)脂）主要由松香酯或松香改性酚醛樹(shù)脂、鑛物油溶劑、植物油及其它添加劑（凝膠化劑、螯郃劑等）反應(yīng)而成。 返回 rosin varnish