Большой англо-русский и русско-английский словарь
трехбалльный three-point intersection in space ≈ засечка пространственная обратная - three-point assay - three-point convex - three-point convexity - three-point equation - three-point form - three-point jack - three-point landing - three-point problem
English-Russian big polytechnic dictionary
трехопорный
Англо русский политехнический словарь
с тремя зажимами