“back draft”的概念、定义、翻译、参考文献-科学参考

单词	back draft
释义	back draft [`bak ´draft] ^METALLURGY A reversed taper given to a casting model or pattern to prevent its withdrawal from the mold.
随便看	update update service up-Doppler updraft carburetor updraft furnace updrift upflow upgrade uphole uphole time upland uplift pressure uplink upload upmilling upper upper air upper-air chart upper-air disturbance rod bit rod coupling rodding rod dope rodent Rodentia

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