propel

• Stand firmly and propel correctly point one foot at the destination
  其中一只脚的脚尖要指向目的地
• The train is propelled by ducted fans
  这种火车用涡扇推进器。
• Self - propelled elevating work platforms
  自推进式升降工作平台
• Electrically propelled road vehicles - terminology ; german version en 13447 : 2001
  电动道路车辆.术语
• My dick was so hard it was as if it was jet - propelled
  我的生殖器硬邦邦的，就象是装了个喷气式推进器
• Safety for self - propelled , hose - drag agricultural irrigation systems
  自行式农业软管灌溉系统的安全性
• Study on load of the self - propelled guns during firing in travelling
  自行火炮行进间射击时的受载研究
• Machinery for forestry - self - propelled machinery - safety requirements
  林业机械.自行式机械.安全要求