仁义礼智信 » Wisdom and Faith 呼吸自救器 » Respiratory rescuer 这一辈子，到现在为止，只有两个女人让我伤心地流泪。 » My life, until now, only two women make me cry to tears.
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... 希望你正在做好梦 » I hope you are doing good dreams 呼吸自救器 » Breathing self-rescue. 如此...以致 » As a result so. . . . ...
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... 棉球容器 » cotton ball container 呼吸自救器 » Self-rescuer breathing 学习带给我很多压力 » I learn a lot of pressure ...
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消防过滤式自救呼吸器 filtering respiratory protective devise for self-rescue from fire
本文对消防过滤式自救呼吸器的防护性能、呼吸阻力和漏气系数三项主要性能的影响因素、防护原理和设计计算进行了研究。
The paper studies on the effecting factors, protecting principles and design calculations of the three main performances of the filtering self-saving respirator.
灭火器一只、防爆手电一只、自救呼吸器一只、自救绳一条。
Include a fire extinguisher, a flashlight, a fire escape mask and a escape rope.
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