带阻火器的呼吸阀型号:机房重地 闲人免进——怎么译呢????
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机房重地 闲人免进
Machine room, do not enter unless authorised.
Computer room. Staff only.
Machine room, No visitor
Computer room. No admittance.
Machine room, do not enter unless authorised.
Computer room. Staff only.
Machine room, No visitor
Computer room. No admittance.