filtering respiratory protective devise for self-rescue from fire
Related Translations:
冰凿自救技术标准导则: standard guide for ice awis self-rescue technique
消防: extinguishing and protection; fire control; fire fighting; fire protection; put out fire; fight fire◇消防安全措施 means of escape; 消防泵 fire pumps; 消防车 fire engine; fire truck; 消防措施 fire protecti