1) power scythe attachment
动力割刀附加装置
2) Aerodynamic attachment
空气动力学附加装置
3) aerodynamic add-on device
气动附加装置
1.
Experimental investigation on the aft-body drag reduction of the tractor-trailer truck by aerodynamic add-on device
气动附加装置降低厢式货车后体阻力
4) added equipment
附加装置
1.
Design of added equipment for transporting the wounded on the truck;
新型汽车运送伤员附加装置的研制
2.
Research on the structural optimization design of added equipment for transporting the wounded or sick on the truck;
汽车后送伤员附加装置结构优化设计研究
5) four-wheel drive attachment
四轮驱动附加装置
6) casing cutter sinker
套管割刀加力器
补充资料:不依赖空气的动力装置