... 陆、空、水或铁路用机动运载器 Vehicles for locomotion by land, air, water or rail 牵引机 Traction engines 铁路（火车的）车钩 Railway couplings ...
双语例句
1
Other technology included late-model automobiles, autoboats, and electric and steam tractionengines.
其它技术包括新型汽车、汽艇、电力和蒸汽动力引擎。
2
The design of 16v240zje and 12v280zj diesel engines have been modified and tested in highland environment and prove to meet the requirements of the traction power for Xining-Lhasa railway.
通过对16 V 2 40zje及12v 2 80zj两种柴油机进行的适应高原环境的改进设计，完全可以达到青藏铁路对内燃牵引动力的要求。