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- The MSA 3S full face mask, the most successful mask design in the world with over 5 millions units sold, has been upgraded. MSA 3S面罩是世界上拥有最成功的设计,已售出超过5百万件。
- Emergency: Use self-contained breathing apparatus (SCBA) or positive-pressure air line with full face mask in areas where the fluorine concentration is above 0.1 ppm. 已经清除了氟/氮混合物的系统仍然可能还有氢氟酸。
- Specification for full face mask assemblies for use in contaminated atmospheres 污染气侯条件下使用的全面罩规范
- full face mask 全面罩
- What type of face mask should be used? 什么类型的口罩有预防功效?
- The face mask fits snugly over the face. 适合的面罩紧贴在脸上。
- Share where the full face value has been paid. 全部面值已付的股票。
- She is prettier in profile than at full face. 她的侧面比正面好看。
- Jason: Really?! I finally can wear my Dolaemon face mask. 真的吗?!我终于可以戴我的小叮当口罩了.
- In full face he does not inspire confidence. 让谁看到这张脸都不会对其产生信任感。
- I want to have a full face picture. 我想照张正面像。
- Her profile is better than her full face. 她的侧面比正面好看。
- Members of the public may wear a face mask for self protection. 一般市民也可以佩戴口罩以加强防护。
- Measured under the circumstance where only helmets with face mask were worn, sparring with full force, full speed and no pulled blows. 以只配带头盔及面罩的情况下,全速全力对打计算。
- I donned a face mask and jumped in the pool to watch Ris swimming toward me. 我戴上防护面具跳到游泳池里看着里斯向我游来。
- USE THIS VALVE ONLY WITH FLAT FACE FLANGE AND FULL FACE GASKET. 这种阀门只能与平面法兰和全工作面垫圈配合使用。
- Position the face mask of the Ambu bag over the client's mouth and nose. 将急救袋面罩置于患儿口、鼻。
- Victor: Sure! By the way, don't forget to wear a face mask to English class. 当然好!顺便告诉你,上英文课的时候,别忘了戴口罩。
- If you have to clean the cat's litter box, wear gloves and a face mask. 如果你必须亲自动手来清理猫砂，那么要戴上手套和口罩。
- Face masks are of unproven value. 口罩有未经证实的价值。
