combined packing

• 组合填料

combined packing的用法和样例：

例句

1. Experiment on population removal capacity of the new constructed wetland composed with combined packing,Canna,Margaryamelanoide and Misgurnusanguillicaudatus Cantor was conducted.
   通过实验方式研究了组合填料结合构成的新型人工湿地净化自然水体的作用。