英语词汇“major caliber”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	major caliber
释义	major caliber 基本例句大口径 Two ignition methods are investigated to reduce pressure wave in large caliber gun propelling charge with high loading density.研究了两种能降低某大口径火炮高装填密度发射装药的膛内压力波的点传火方案。
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