三中心键

merit student; three good student(good in study, attitude and health)

three-fifths compromise

semi-controlled three-phase bridge rectifier circuit【电】

Three Agents Emergency Pill

Three Agents Little White Powder

3-D picture【电影】;stereoscopic motion picture【电影】;three-dimensional film【电影】

three-phase tow-dimensional bubble shift register

three-sulfonated polymer salt mud