phenol-formaldehyde rcsin的用法和样例：
例句
- The thermorheologic properties of some sorts of thermoplastic phenol resin were introduced.
介绍了几种热塑性酚醛树脂的热态流变特性。 - By the two-steps synthetic process, the new type resin for the need of developing printing ink could be prepared with rosin, nonyl phenol and formaldehyde.
摘要采用二步法合成工艺，以壬基酚和松香及甲醛为主要原料，合成了松香改性酚醛树脂。
