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safety and arming mechanism
avia. 爆炸及不爆炸机构; 保险与解除保险机构
space 保险及爆炸机构
 English thesaurus
safety and arming mechanism
mil., logist. A dual function device which prevents the unintended actuation of a main charge or propulsion unit prior to arming but allows activation thereafter upon receipt of the appropriate stimuli. (FRA)

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