特殊用法air navigation protractor1.空中导航用量角器angle protractor1.量[斜, 分]角规bevel(ed) protractor1.角度尺, 斜角规, 活动量角器bubble protractor1.气泡式分度规[量角器]circular protractor1.圆分度器draughtsmen's protractor1.绘图量角器half-circle protractor1.半圆分度器musculus protractor1.牵引肌Odessey protractor1.【航空】,【航海】奥特赛量角器optical protractor1.光学量角器optical bevel protractor1.光学量角器, 光学倾斜度规sine protractor1.正弦尺; 正弦规spark protractor1.火花时间测定器steel protractor1.钢制分度器tacheometric protractor1.视距量角器three-arm protractor1.【航海】三杆定位仪V-edge protractor V1.型量角器vernier protractor1.游标分度器universal bevel protractor1.万能量角器, 组合角尺whole circle protractor1.全圆分度器