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to phrases
emergency equipment
avia. 应急救生设备
dril. 备用应急设备
met. 备用设备
mil., air.def. 备用装置
space 应急设备
emergency equipment: 30 phrases in 10 subjects
Automobiles2
Aviation4
Economy1
Electronics5
Metallurgy1
Nuclear and fusion power1
Nuclear physics1
Space7
Technology7
United Nations1