助力器械 zhùlìqìxiè power-assisting device Definitions Defs Origin Strokes Stroke Words Sentences Sents 助力器械 zhùlìqìxiè power-assisting device A mechanical device used to increase force or power to make work easier, such as a lever or pulley
助力器械 zhùlìqìxiè power-assisting device A mechanical device used to increase force or power to make work easier, such as a lever or pulley
