“semitrailer”的概念、定义、翻译、参考文献-科学参考

单词	semitrailer
释义	semitrailer [¦sem·i`trāl·ǝr] ^ENGINEERING A cargo-carrying piece of equipment that has one or two axles at the rear; the load is carried on these axles and on the fifth wheel of the tractor that supplies motive power to the semitrailer.
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