DictionaryForumContacts

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system module
econ. 系统单位
tech. 系统模件
telecom. 系统模块
system module: 74 phrases in 12 subjects
Air defense1
Automobiles9
Aviation19
Earth sciences2
Electronics24
Information technology3
Librarianship1
Oil / petroleum1
Space7
Technology4
Telecommunications2
United Nations1