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unit check
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agric.
部件检査
avia.
单元测验
;
装置检查
el.
部件检验
;
单元检验
;
设备校验
tech.
设备检验
;
部件校验
unit check
:
11 phrases
in 7 subjects
Aviation
2
Electronics
2
Mathematics
2
Mechanics
1
Oil / petroleum
1
Space
1
Technology
2
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