牵引

• Air foil surfaces , lift - and - drag coefficients . .
  空气流经表面抬升和牵引的系数. .
• Cam control switch elements for traction equipment
  牵引设备用凸轮控制开关元件
• Lawn and garden ride - on riding tractors - drawbar
  草坪和园艺乘座式拖拉机牵引杆
• Opportunity - charging of lead - acid traction batteries
  铅酸牵引蓄电池组的临时性充电
• Traction transformers and inductors for rolling stock
  机动车辆用牵引变压器和电感器
• Serving to pull or draw ; exerting traction
  牵引的用来拉或拽的；产生牵引力的
• Other types are all tyre draught moveable type
  其余机型均为轮胎牵引移动式。
• Railway applications - supply voltages of traction systems
  铁路应用.牵引装置的供电
• Rod porcelain insulators for a . c . system traction lines
  交流牵引线路用棒形瓷绝缘子
• A tug pulled the bow of the ship round
  一艘拖轮牵引着那条船的船头把它转了个方向。