收集过滤器 meaning in Chinese

entrainment filter

To try to gauge the difference between the two places , i left on my adventure with two pre - evacuated glass flasks donated by the australian government to collect the air , a personal air pump to amass particulates on filters , and canisters to bring back water samples
为了测量两地的差别，我带上澳大利亚政府赠予的两个用于收集空气的玻璃瓶，一个收集过滤器微粒的空气泵，还有采集水样本的小罐。