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交叉器
auto. crossover
交叉器: 88 phrases in 22 subjects
Air defense4
Aviation2
Business1
Communications2
Computer networks5
Computers1
Earth sciences1
Electric machinery1
Electronics13
General1
Geophysics1
Information technology7
Metallurgy1
Multimedia2
Oil / petroleum3
Physics1
Piezoelectric crystals1
Project management1
Refrigeration1
Space6
Technology29
Telecommunications4