基本解释[动力与电气工程]变距槽英汉例句双语例句With the theory of kinematics, the universal model of changed angle and variable pitch spiral groove on any turning surface is researched.本文应用运动学理论,研究了任意回转体外表面上的变倾角变导程螺旋线的通用模型。groove with variable pitch更多例句专业释义动力与电气工程变距槽