卫生喷雾的无螺纹流体喷头vmau流体帽插在主体中，通过两个o环密封圈。
Threadless fluid Tip for Sanitary Spray the VMAU's fluid cap is inserted into the body and sealed via two O-rings.
一种节能环保电焊帽，本实用新型由太阳能充电器、空气过滤器、护目镜、卫生口罩组成。
The utility model relates to an energy-saving environment-friendly welding helmet, which consists of a solar charger, an air filter, goggles and a health gauze mask.
一种节能环保电焊帽，本实用新型由太阳能充电器、空气过滤器、护目镜、卫生口罩组成。
The utility model relates to an energy-saving environment-friendly welding helmet, which consists of a solar charger, an air filter, goggles and a health gauze mask.
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