目的研究不同材料手术衣抗湿度、透气度和抗菌性能。方法选用纯棉布类双层手术衣和无纺纸质一次性手术衣。
Objective To study the air permeability, anti-humidity and antibacterial index of the operating coats made of different materials.
和传统复合材料类似，格林哈尔希博士的材料由多层的无纺碳纤维制成，纤维用固化树脂塑硬。
Like traditional composites, Dr Greenhalgh's material consists of woven sheets of carbon fibres which are made rigid using a cured resin.
在高粉尘地区，滤芯可能采用海绵或无纺 布材料来作为预过滤（在进气端）。
In dusty areas the filter element may be provided with a pre-separator (air intake side) in the shape of a foam mat or a fleece.
在高粉尘地区，滤芯可能采用海绵或无纺 布材料来作为预过滤（在进气端）。
In dusty areas the filter element may be provided with a pre-separator (air intake side) in the shape of a foam mat or a fleece.
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