conventional packed column

例句：

1. 1.The traditional packaging of the product is very important for its market acceptance.
   该产品的传统包装对其市场接受度非常重要。
2. 2. This new design uses a more conventional packed column to improve efficiency.
   这款新设计使用了更传统的包装柱来提高效率。
3. 3.The company has invested heavily in developing innovative packing columns to meet global demand.
   该公司大力投资于开发创新的包装柱以满足全球需求。