關鍵字詞:摩擦力 | friction | lubricant | Output | Input | 輸出 | 設計與科技 | Design & Technology | 物料和結構 | Materials & Structures | 設計與科技教育 | Design & Technology Education | Worm and worm gear | 蝸桿和蝸輪 | 齒輪 | Gear | Rack and Pinion | linkage | 連桿 | 曲柄 | Crank | 輸入 | 正齒輪 | Spur gear | 傘齒輪 | Bevel gear | 齒條和齒輪 | 潤滑 | Lubrication | 潤滑料 | 半永久接合 | Semi-permanent joining | 永久接合法 | Permanent joining