“tractor and semi-trailer”的概念、定义、翻译、参考文献-科学参考

单词	tractor and semi-trailer
释义	tractor and semi-trailer Encyclopedia 工学汽车列车释 articulated vehicle；tractor and semi-trailer铰接列车半挂牵引车与半挂车的组合，又称半挂汽车列车。
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