网络释义
1)open circuit breathing apparatus,开路呼吸器2)open circuit underwater breathing apparatus,开式回路水下呼吸器3)self-contained open-circuit breathing apparatus,自携式开式回路呼吸器4)SCBA open circuit apparatus,开路自给式呼吸器5)open circuit breathing system,开路呼吸装置6)open circuit scuba regulator,开式回路自携式水下呼吸器调节器