我满足了自行车的一个新需求编辑同志：看到《发明与革新》１９９４年第２期刊登的周本智所写《自行车需求面面观》一文，文中第十四条提出＜能否开发座椅式三轮自行车＞，特写信告知贵刊，我已研制成功这种座椅式三轮自行车，并获得国家专利权，名为老年人代步逍遥车，专... I have met a new demand for bicycles Editor comrades: See the “invention and innovation,” published in 1994, No. 2, published by Zhou Benzhi << bicycle needs a face-to-face >> article, Article 14 proposed the possibility to develop three-seat Bicycle>, close-up letter to inform your magazine, I have successfully developed such a seat-type tricycle, and access to national patents, known as the elderly on foot car,