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	-dynamia dynamia dynamic dynamic dynamical dynamical dynamically dynamical parallax dynamic augment dynamic brake dynamic braking dynamic factor dynamic geology dynamic head dynamic isomerism dynamic load dynamic metamorphism dynamic meteorology dynamic microphone dynamic model dynamic monarchianism dynamic oceanography dynamic pressure dynamic psychology dynamic range

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