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to phrases
contact system
el. 接触网; 触头装置
IT 触头系统
met. 接触式乙炔发生器; 接触系统
tech. 接点系统; 触点系统
contact system
: 42 phrases in 8 subjects
Aviation2
Electronics4
General1
Metallurgy1
Oil / petroleum1
Project management2
Rail transport12
Technology19

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