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to phrases
block time
avia.
轮挡时间
(取或放轮挡时间,一次飞行总时间)
;
轮挡时间
block time
:
27 phrases
in 10 subjects
Advertising
1
Air defense
1
Athletics
2
Aviation
4
Electronics
5
Information technology
3
Microsoft
1
Space
2
Technology
3
Telecommunications
5
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