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operational support equipment
el. 运行支持设备; 作战支援设备; 操作支持设备
space 操作支援设备; 使用保障设备
tech. 实用支援装备
operational operations support equipment
avia. 操作支援设备
operational support equipment
: 6 phrases in 5 subjects
Aviation1
Electronics1
Space2
Technology1
United Nations1