“built-up gun”的概念、定义、翻译、参考文献-科学参考

单词	built-up gun
释义	built-up gun [`bilt´ǝp `gǝn] ^ORDNANCE Gun tube assembled by the shrinkage method; consists of two or more concentric cylinders shrunk one over another; stronger than a simple cylinder of the same dimensions.
随便看	Oldham coupling Oldhaminidina oldhamite Oldham-Wheat lamp old ice old inflationary cosmology old lake oldland old mountain Old Red Sandstone old snow old wives' summer old workings Oleaceae oleandomycin oleate olecranon olefiant gas olefin olefin copolymer olefin resin oleic acid olein Olenellidae oleometer

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