费多罗夫双圈反射测角仪的英文

fedorov goniometer

• 费:    fee; expense; expe ...
• 多:    many; much; more
• 夫:    that; this; those; ...
• 双:    two; twin; both; d ...
• 圈:    circle; ring
• 反射:    reflect
• 测:    survey; fathom; me ...
• 角:    role; part; charac ...
• 仪:    appearance; bearin ...