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有效使用期 | |
auto. | working life |
avia. | operational availability date |
busin. | useful economic life |
dril. | effective age |
oil | effective service life |
space | effective life |
tech. | effective life |
限 | |
gen. | limit; restrict |
有效使用期 : 8 phrases in 7 subjects |
Aviation | 1 |
China | 1 |
Economy | 2 |
Electronics | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
Refrigeration | 1 |
Technology | 1 |