本实用新型属于汽车，拖拉机等机动车辆加油用的工具。
The utility model belongs to a fueling tool for automotive vehicles such as automobiles, tractors, etc.
从原油中可提炼出开动轮船、飞机、拖拉机等各种不同燃料。
From crude oil we get the different fuels which drive ships, aircraft. tractors and so on.
对类似结构的挂车或拖拉机等的设计和计算具有理论指导意义。
The result is useful for designing and calculating semi-trailer and tractor that possesses the similar structure.
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