“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	materials handling materials science materials testing reactor material unit material well materia medica materiel maternal maternal effect maternal impressions maternal inheritance maternal messenger ribonucleic acid maternal mortality rate maternal placenta maternity mat foundation math coprocessor mathematical analysis mathematical biology mathematical biophysics mathematical check mathematical climate mathematical ecology mathematical forecasting mathematical function program

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