cylindrical cam的用法和樣例：
例句
- The camshaft has a cam, on which there is a lob, or bump.
凸輪軸上有一個凸輪，凸輪上有一個凸角。 - As the camshaft rotates, the lobe, or high spot of the cam, pushes against parts connected to the stem of the valve.
當凸輪軸旋轉時，凸輪凸起的或者高點的位置，推動氣門座。 - An analytic method of determining the basic dimensions of the oscillating disk cam mechanism under retangular coordinates is introduced.
介紹了直角坐標下擺動從動件盤形凸輪機構基本尺寸確定的解析法。
