常見例句between +420 and +589) as a device to allow several farmers to work at the same quern . 譯文：到南朝（420-589年）時(shí)，又加上了連桿，使幾個(gè)人能共同推動(dòng)一磐人力磨。Querné 凱爾內(nèi)stone quern 石磨磐quern stonen. 磨石 返回 quern