Breathing circuit bacterial filter 呼吸管路细菌过滤器
bacteria filter bacterial filter 滤菌器
bacterial filter 细菌滤过器 ; 细菌滤器
bacterial proof filter 防细菌滤器
filter bacterial 细菌滤过器
bacterial l proof filter 防细菌滤器
filter for bacterial determination 细菌检查用过滤器
A great number of experiments were carried out on measuring the bacterial removal rate of medium-efficiency filter material in air filters.
通过大量试验，测定了空气过滤器中效滤材的滤菌效率。
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