您要查找的是不是：
- normal diametral pitch 法向径节
- The diametral pitch is usually an integer. 径节通常是一个整数。
- 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。
- The stub pitch for splines in this standard is twice the diametral pitch. 在本标准中，花键的残余径节是径节的2倍。
- Diameter pitch threads number and range D.P. 径节螺纹种数与范围。
- 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。
- number of diametral pitch thread 径节螺纹种数
- Number and range of diametral pitch thread 径节螺纹种数、范围
- The computer has a normal qwerty keyboard. 这台计算机有标准的英文键盘。
- The situation has returned to normal in the city. 这座城市的局势已恢复正常。
- The normal return fare to New York is fifty-six. 去纽约的来回票标准价是56元。
- Everything is absolutely normal. 一切完全正常。
- This case is not amenable to the normal rules. 这件事经不起常规的检验。
- The doctor said the child's temperature was normal. 医生说孩子体温正常。
- A condition of normal body temperature. 正常体温体温正常的状况
- Normal firmness of a tissue or an organ. 健康状态某个组织或器官所具有的正常坚韧性
- Less than the normal ability to respond to stimuli. 敏感减轻对刺激反应能力低于正常水平
- An Approach to Modular Gear to Replace Diameter Pitch Gear 以模数齿轮代替径节齿轮的探索
- The bus service have returned to normal after the strike. 罢工结束後公共汽车恢复了正常的运营。
- diametral pitch 【机】径节（圆周率π与分度圆上齿距的比值，其值为模数的倒数）
