天津制成大功率轮式拖拉机入国际市场天津拖拉机制造厂研制的ＴＮ８００系列和ＴＮ８０４型两种大功率轮式拖拉机最近通过市级技术鉴定，并正式投入生产。这两种产品的成功开发，填补了国内空白。目前这２种产品已开始出口巴西、美国、阿根廷，打入了国际市场。天津制成大... Tianjin made high-power wheeled tractors into the international market The TN800 series and TN804 type high-power wheeled tractors developed by the Tianjin Tractor Manufactory have recently passed municipal-level technical appraisal and are officially put into production. The successful development of these two products has filled the domestic gap. At present, these two kinds of products have begun to export to Brazil, the United States, and Argentina, and have entered the international market. Made in Tianjin...