;between +420 and +589) as a device to allow several farmers to work at the same quern .
译文：到南朝（420-589年）时，又加
了连杆，使几个人能共同推动一盘人力磨。
磨between +420 and +589) as a device to allow several farmers to work at the same quern .
译文：到南朝（420-589年）时，又加了连杆，使几个人能共同推动一盘人力磨。
声明：以
例句、词性分类
联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
