DictionaryForumContacts

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to phrases
round time
el. 一个循环作业时间[如隧洞掘进]
round time: 51 phrases in 18 subjects
Agriculture2
Automobiles4
Aviation2
Business2
Communications1
Economy1
Electronics2
Exhibitions1
Information technology3
International trade2
Logistics1
Management2
Metallurgy1
Oil / petroleum1
Space2
Technology16
Telecommunications5
Textile industry3