gōng / chǎng / cǎi / yòng / rè / yā / gōng / yì / bǎ / duō / céng / cái / liào / láo / láo / jié / hé / zài / yì / qǐ

工厂采用热压工艺，把多层材料牢牢结合在一起。

The factory uses hot pressing to firmly bond multiple layers of material together.