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to phrases
operation requirements
bridg.constr.
操作要求
operation requirement
auto.
工作
操作
守则
;
工作守则
avia.
操作要求
tech.
运转要求
;
使用要求
operation requirements
:
13 phrases
in 6 subjects
Air defense
1
Aviation
5
Business
2
Project management
1
Space
2
Technology
2
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