在“独立自主,自力曼生”方针的指引下,我厂在上海第九人民医院,上海钢铁研究所等兄弟单位的共同协作下,试制成功的一种全晶体管化的新型齿科用具一起声波沽牙机。它具有体积小、重量轻、效率高、使用携带方便,适于下乡巡回医疗等优点。 Under the guidance of the guideline of “Independent and self-reliant”, under the joint cooperation of Shanghai Ninth People’s Hospital, Shanghai Institute of Iron and Steel and other fraternal units, the trial of a new all-transistor, Tooth machine. It has a small size, light weight, high efficiency, easy to carry, suitable for touring the countryside advantages.