• Respiratory protective devices - Compressed air line breathing apparatus for use with a full face mask, half mask or a mouthpiece assembly - Requirements, testing, marking.

    呼吸保护装置面罩罩式面罩口罩一起使用压缩空气导管呼吸装置要求试验标志

    www.chinafanyi.com

  • Main structured items are: JDQM full face mask, air supply valve, pressure regulator valve, backboard, pressure gauge, alarming whistle, medium pressure tube, carbon fiber composite cylinder, etc.

    主要结构JDQM全面气阀减压阀背板压力表报警中压碳纤维复合气瓶

    www.sdjdxf.com

  • In this case, a full-face respirator is called for. It provides a clear face mask or clear eye pieces that protect the eyes as well.

    这种情况下需要用到全面罩呼吸器,可以提供透明面罩或者只是眼部透明,同时保护眼睛

    www.youdict.com

  • If you have ever seen a firefighter wearing a full-face mask with an air tank on his or her back, then you have seen an SCBA system.

    如果看到消防员穿戴全面罩防毒面具时,背上还有一个空气瓶,那么SCBA系统了。

    article.yeeyan.org

  • If this is not helpful, a full-face mask may be considered.

    如果不是有益的,一个完整的面罩可以考虑

    www.hxhuxiji.com

  • If you've got shelves full of old cassettes that have garnered more dust than your first grade spelling bee trophy, it may be time to don the face mask and sift through them.

    如果获得超过年级字比赛奖杯灰尘磁带货架上,可能时间戴上面罩通过他们筛选

    www.100135.com

  • Take full responsible for the Face mask workshop running.

    全面负责面罩车间运行

    www.chinahr.com

  • In this world full of false, no one can see the ture face under the mask.

    这个充满虚伪世界里看得见面具面孔

    sakaitribe.net

  • In this world full of false, no one can see the ture face under the mask.

    这个充满虚伪世界里看得见面具面孔

    sakaitribe.net

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