英语词汇“board drop hammer”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	board drop hammer
释义	board drop hammer noun : a drop hammer in which the ram is raised by means of one or more boards that pass between two friction rollers at the top of the hammer
随便看	preponderancy preponderant preponderantly preponderate preponderately preponderating preponderatingly preponderation preponderous preponderously prepontine prepose preposition prepositional prepositionally prepositive prepositively prepositor prepositure prepositus prepossess prepossessing prepossessingly prepossessingness prepossession

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