“crosstie”的概念、定义、翻译、参考文献-科学参考

单词	crosstie
释义	crosstie [`krȯs´tī] ^ENGINEERING A timber or metal sill placed transversely under the rails of a railroad, tramway, or mine-car track.
随便看	nonwetting sand nonwork unit nonwoven fabric nonyl acetate nonyl benzene nonyl hydride nonyl phenol nonylphenoxyacetic acid nonyne noon noon constant noon interval noon sight NO OP no-operation instruction noosphere nopinene NOR naringin naris Narizian narrow narrow-angle glaucoma narrow-band narrow-band amplifier

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