双语例句
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System performance testing, inspection & repair for air breathing apparatus and EEBD.
呼吸器、紧急逃生呼吸器性能试验、检修、检验；
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The EEBD are only used for escape from a compartment that has a hazardous atmosphere to provide personnel breathing protection.
自给式压缩空气呼吸保护装置，仅用于从危险气体的场所逃生。