inside-drum filter

例句：

1. 1. The inside-drum filter is an essential component of the air conditioning system.
   内鼓形过滤器是空调系统的一个必要组成部分。
2. 2. The engineer used the inside-drum filter to remove impurities from the water before it was filtered.
   工程师使用内鼓形过滤器在过滤水之前去除杂质。
3. 3. The inside-drum filter helps to improve the quality of the air in the room by trapping dust and allergens.
   内鼓形过滤器通过捕捉灰尘和过敏原，帮助改善房间内空气质量。