英语词汇progressive sliding gear是什么意思，progressive sliding gear的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	progressive sliding gear
释义	progressive sliding gear　分级滑动齿轮
随便看	flat leakage power flat lens flat line flat link chain flat list prices flat mattock flat mirror flat module flat modulus flat mole flat money flat morphism flat noise formal protest formal pushdown automaton formal qualification formal qualification formal record formal record formal reentry formal regularization formal relationship formal reply formal representation formal resin

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