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to phrases
opening ratio
nautic., tech.
开孔比值
oil
打开比
;
开井比
railw.
孔径率
securit.
开盘比率
tech.
刀盘开口率
opening ratio:
18 phrases
in 7 subjects
Economy
3
International trade
2
Oil / petroleum
3
Refrigeration
1
Technology
7
Textile industry
1
Wind Energy
1
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