英语词汇“powder ring”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	powder ring
释义	powder ring noun : a fabric ring containing an increment of the propelling charge for a weapon (as a mortar)
随便看	adviser advisers advisership advises advising adviso advisor advisories advisorily advisors advisorship advisory advocaat advocaats advocacies advocacy advocacy journalism advocacy journalist advocacy research advocate advocated advocates advocateship advocating advocation

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powder ring