DC machinery的用法和样例：
例句
- The working principles of brushless DC motor and the method of application were given.
摘要介绍了无刷直流电机的工作原理及其在自制近红外光谱仪中的应用。 - This paper analyzes the effects of the input and output decoupling capacitances on the grounding current EMI in DC motor drives.
本文针对直流电机调速装置输入和输出侧退耦电容对地电流干扰的影响进行研究。
