Firefighters should wear breathing device and protective overalls in order to protect the firefighters from toxic gases harm.
消防人员应穿着带有呼吸装置和具保护性的工作服,以保护消防人员免遭有毒气体的伤害。
Firefighters should wear breathing device and protective overalls in order to protect the firefighters from toxic gases harm.
消防人员应穿着带有呼吸装置和具保护性的工作服,以保护消防人员免遭有毒气体的伤害。
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