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survey instruments
market. 调查手段
survey instrument
bridg.constr. 测量仪器
ed. 地质探测器
oil 测量工具; 测量仪
stat. 调查手段
tech. 测量器材
survey instruments: 24 phrases in 6 subjects
Air defense1
Aviation1
Drilling4
Oil / petroleum7
Shipbuilding4
Technology7