The design and analysis of needle bar drivemechanism and thread pick-up mechauism for multi-headautomatic embroidery machiue with jumbo sized rotaryshuttle是什么意思_The design and analysis of needle bar drivemechanism and thread pick-up mechauism for multi-headautomatic embroidery machiue with jumbo sized rotaryshuttle在线翻译_英语_读音_用法_例句