“preparatory fire”的概念、定义、翻译、参考文献-科学参考

单词	preparatory fire
释义	preparatory fire [`prep·rǝ´tȯr·ē ´fīr] ^ORDNANCE Antiaircraft fire to determine or check corrections of firing data prior to conducting fire for effect.
随便看	pavilion facet paving brick paving-brick clay Pavlov's pouch Pavo pavonite Pavy's solution paw pawdite pawl PAX paxilla Paxillosida Paxillosina payback period pay dirt paying payload payload-mass ratio payoff matrix pay ore payout time pay sand pay streak pay television

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