On the basis of a composing method of universal harmonic trapezoid motion law, nondimensional general curve formulation of driven cam is built.是什么意思_On the basis of a composing method of universal harmonic trapezoid motion law, nondimensional general curve formulation of driven cam is built.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句