英语翻译I am confused now for the texture.I am not familiar with respiratory products,but I checked the drawing of Homefill shroud,the texture is

英语翻译I am confused now for the texture.I am not familiar with respiratory products,but I checked the drawing of Homefill shroud,the texture is
英语翻译
I am confused now for the texture.I am not familiar with respiratory products,but I checked the drawing of Homefill shroud,the texture is

英语翻译I am confused now for the texture.I am not familiar with respiratory products,but I checked the drawing of Homefill shroud,the texture is
我搞不懂这个东西的结构.我对呼吸器材并不熟悉,但根据Homefill Shroud画的结构图,它应该就是这样子的...
respiratory product 是针对呼吸系统的健康保养器材
（参考资料是关于respiratory product的）

我搞不清楚材质。我呼吸用商品不熟悉，但我查看了Homefill罩子的设计图，材质是...