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口罩如何改进不留痕
更新时间: 2021-05-19 21:25:40  

1、做一长方形的口罩本体,再辅以耳带12以便套挂两耳,使其固定即可,好看不留痕。

2、常用的口罩本体,企图掩盖住立体形状的人体口、鼻,在全面的防护功效上,自是力有未逮,无法周全,尤其在鼻子外缘两侧,会造成相当的空隙,于是,冷风及污尘秽粒得以循隙而入口鼻,使得配戴者的鼻外处常会遗留污尘痕迹,且在冬峻之际,冷风由鼻子两侧的空隙贯入,易使原先保温于口、鼻的温热空气,与冷空气接触而失其温暖效果;或有常用的以皮革或化学合成物制成的覆套,藉其硬度形成较贴近口、鼻体肤的口罩型态,然而,终究无法使鼻子外缘两侧与口罩形成的空隙完全弭除,且其在配戴上较不如布质的软性贴附来得舒适,并且价格较昂及不易折叠携带,因此,也难令人接受使用。

关键词: 口罩 如何 改进

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