gōng / chǎng / xiān / bǎ / shēng / xiàng / jiāo / jiā / gōng / chéng / jiāo / piàn / zài / jìn / xíng / liú / huà / chǔ / lǐ

工厂先把生橡胶加工成胶片，再进行硫化处理。

The factory first processes raw rubber into sheets and then vulcanizes it.