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to phrases
开关动作
tech.
open and shut action
;
switch motion
"开/关"动作
busin.
on-off-action
开/关 "动作
:
20 phrases
in 8 subjects
Automobiles
1
Aviation
2
Electronics
4
Information technology
1
Project management
1
Technology
9
Telecommunications
1
Wind Energy
1
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