resin finishing

例句：

1. 1. The resin finish on the furniture is exceptionally smooth.
   家具上的树脂封层非常光滑。
2. 2.The engineer used a special resin to seal the cracks in the concrete.
   工程师使用一种特殊的树脂来密封混凝土中的裂缝。
3. 3.The process of resin finishing is time-consuming but yields high-quality results.
   树脂封孔的过程耗时较长，但能获得高质量的结果。