“line of elevation”的概念、定义、翻译、参考文献-科学参考

单词	line of elevation
释义	line of elevation [`līn ǝv ´el·ǝ`vā·shǝn] ^ORDNANCE The prolongation of the bore of a gun when the piece is set to fire.
随便看	step attenuator step bearing step block step brazing step-by-step operation step-by-step switch step-by-step system step change step-climb profile step counter step cut step-down transformer step fault step function step-function generator step gage Stephanian Stephanidae stephanite Stephan's Quintet step lake step-out time step-out well steppe steppe climate

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