英语词汇“powder train”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 train
释义	powder train powder train [′pau̇d·ər ‚trān] (engineering) Train, usually of compressed black powder, used to obtain time action in older fuse types. Train of explosives laid out for destruction by burning.
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