The face mask consists of double-layer non-woven cloth in which filter layer, nose bridge bar and face mask belt is set, or is made of multi-layer medical absorbent gauze.
口罩由双层无纺布中间夹过滤层、鼻梁条和口罩带构成，或由多层医用脱脂纱布经缝制而成。
The deodorant healthcare layer is mugwort floss or a mugwort leaf layer, or a mixed layer of the mugwort floss and cotton, wool or a non-woven fabric.
防臭保健层为艾蒿绒或艾叶层，或为艾蒿绒与棉花、羊毛或无纺布混合层。
The reinforcing layer is made of nylon, non-woven fabrics or kraft papers.
所述的加强层的材料为尼龙、无纺布或牛皮纸。
The superposed structure has needle punched polyester wool as bottom layer, polyethylene film as the middle layer and hot rolled non-woven polyester fabric as the upper layer.
叠合结构为聚酯针刺棉为底层，聚乙烯膜为中层，聚酯热轧无纺布为上层；
The superposed structure has needle punched polyester wool as bottom layer, polyethylene film as the middle layer and hot rolled non-woven polyester fabric as the upper layer.
叠合结构为聚酯针刺棉为底层，聚乙烯膜为中层，聚酯热轧无纺布为上层；
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