Read Edit View history 拖车头 tuōchētóu tractor unit Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 拖车头/拖車頭 · tuōchētóu · tractor unit 2026/03/04 拖车头 / 拖車頭 tuōchētóu tractor unit the engine unit or tractor of a trailer truck 司机熟练地将拖车头与挂车分离。 noun created sense Mar 4, 2026, 02:25 AM