The permanent magnetism synchronous servomotor was adopted to construct the AC position servo system of multiple launch rockets.
采用永磁同步伺服电动机，构成多管火箭炮交流位置伺服系统。
The permanent magnetism synchronous servomotor was adopted to construct the AC position servo system of multiple launch rockets.
采用永磁同步伺服电动机，构成多管火箭炮交流位置伺服系统。
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