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adjective
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to phrases
preoperation
['priːɔpə'reiʃən]
n
gen.
空转
;
试运行〔转〕
preoperation
adj.
comp.
试运转
(praeoperatio)
compr.
试运行
;
预运行
preoperation
:
8 phrases
in 3 subjects
Automobiles
2
Business
1
Technology
5
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