基本解釋曲柄回轉(zhuǎn)力英漢例句雙語例句By focusing on staying narrow, you'll reduce your surface area, and crank faster with less effort.集中注意力保持夾緊狀態(tài)，你會減小表面積，從而以更少的力氣游得更快。crank effort更多例句詞組短語短語crank effort diagram 曲柄回轉(zhuǎn)力圖crank effort更多詞組專業(yè)釋義機械工程曲柄回轉(zhuǎn)力