If you can't, wear gauze mask or anything that can cover your mouth and enable you to breath.
如果不行，戴上薄纱口罩或任何可以盖住嘴巴又能保证呼吸的东西。
Roll up a gauze mask to a long strip, then squeeze in mouth and tighten the rope on ears.
把口罩叠成一个长条，勒在嘴巴里后再把绳子套在耳朵上。
Good ventilation is required in the casting shop and sanding shop. Operators must wear gauze mask at work to prevent harm of metal powder to human body.
铸造间、打磨间、通风应良好，员工操作时应带防护口罩，防止金属粉尘给员工身体带来不利。
Good ventilation is required in the casting shop and sanding shop. Operators must wear protective gauze mask to prevent harm from metal powder to human body.
铸造间、打磨间、通风应良好，员工操作时应带防护口罩，防止金属粉尘给员工身体带来不利。
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 paper makes a manner that use of melt blown nonwoven fabric rim leftover, namely uses as internal material for gauze mask that surface material is spun bonder nonwoven.
提出熔喷非织造布边料变废为宝的方法，即将其用作面层为薄型纺粘法非织造布的口罩的内层材料。
Good ventilation is required in the casting shop and sanding shop. Operators must wear protective gauze mask to prevent intake of metal powder through respiration to harm human body.
在铸造间、打磨间要有良好的通风装置，员工须戴防护口罩，防止吸入金属粉尘对身体带来不利。
This product is cutted, folded, sewed by the medical absorbent gauze and mask band.
该产品用医用脱脂纱布，加口罩带，裁切、折叠、缝制而成。
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 utility model relates to a disposable health face mask piece, which is composed of a plastic face of an outer layer, face mask paste of a middle layer and a lining gauze.
一种一次性保健面膜块，是由外层塑胶面、中间层面膜糊、里层纱布组成。
The utility model relates to a disposable health face mask piece, which is composed of a plastic face of an outer layer, face mask paste of a middle layer and a lining gauze.
一种一次性保健面膜块，是由外层塑胶面、中间层面膜糊、里层纱布组成。
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