機械原理大意(齒輪) - 考試
By Regina
at 2013-03-12T20:44
at 2013-03-12T20:44
Table of Contents
齒輪傳動是屬於? (A)滾動磨擦 (B)滑動摩擦 (C)先滑動後滾動 (D)先滾動後滑動
書本答案是B ~但我覺得是C才對(是答案錯誤嗎?)
齒輪:齒面滑動,節圓滾動,無靠摩擦力.不是這樣嗎?
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書本答案是B ~但我覺得是C才對(是答案錯誤嗎?)
齒輪:齒面滑動,節圓滾動,無靠摩擦力.不是這樣嗎?
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