Those in one group were given the microbicidal gel. Those in the other were given a placebo.

其中一组使用杀菌凝胶剂，而另外一组则使用普通安慰剂。

youdao

A microbicidal facemask (24) and a microbicidal air filter (10) used in an air circulation system (40) using the immobilization network (12) are disclosed.

公开了在使用固定网(12)的空气循环系统(40)中所使用的杀微生物面罩(24)和杀微生物空气过滤器(10)。

youdao

A microbicidal facemask (24) and a microbicidal air filter (10) used in an air circulation system (40) using the immobilization network (12) are disclosed.

公开了在使用固定网(12)的空气循环系统(40)中所使用的杀微生物面罩(24)和杀微生物空气过滤器(10)。

youdao