gas filter tube

例句：

1. 1.The gas filter tube is essential for maintaining the cleanliness of the air in the room.
   气体过滤器管对于保持房间内空气的清洁至关重要。
2. 2. The engineer replaced the gas filter tube with a new one to improve the efficiency of the system.
   工程师用一个新的气体过滤器管替换了旧的，以提高系统的效率。
3. 3. The gas filter tube was designed to trap pollutants and prevent them from entering the air conditioning system.
   气体过滤器管被设计用来捕捉污染物并阻止它们进入空调系统。