卷改件运用
application of changing the volume int o piece
安全防范技术的运用与发展
application and development of security technology
兵力运用
employment of military strength
operational strength application
长号替换把位的运用
The Utilization of Trombone’s Substitutive Knob
长途电路运用信息系统
toll trunk application information system
长途运输载重车的运用
over-the-road truck application