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to phrases
无效力
busin.
invalid
;
invalidity
econ.
no effects
interntl.trade.
unavailability
;
void and of no effect
refrig.
inefficiency
无效力〔验〕
gen.
inefficacy
无 效力:
10 phrases
in 6 subjects
Aviation
1
Economy
1
General
1
International trade
2
Sports
2
Technology
3
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