DictionaryForumContacts

   English
Google | Forvo | +
to phrases
three-arm protractor
eng.geol. 三脚〔分度〕规
tech. 三杆分度仪; 三杆分度器; 三杆定位仪; 三臂分度器
three-arm protractor: 6 phrases in 1 subject
Technology6