diametral的例句（diametral在句子中的用法）

• Diametral pitch : the number of teeth per inch of pitch - circle diameter. 径节 --- 节圆直径每英寸长度上的齿数.
• Meshing spur gears must have the same diametral pitch. 互相啮合的直齿圆柱齿轮,必须具有相同的径节.
• This paper introduces a rarely seen method of describing with diametral distance. 本文介绍了一种鲜为人知的用直径距离描绘椭圆的方法.