宁明清出２００余“黑户”拖拉机宁明县农机监理站，于今年４月初至８月上旬在全县范围内开展一次拖拉机无牌无证大清理活动。对全县现拥有的３５５８台农用拖拉机进行遂台造册登记。在清理过程中，查出“黑户”（无牌无证）拖拉机２６８台。这些无证牌机子大部分自购买之... Ningming Qing out of more than 200 “black households” tractors Ningming County Farm Machinery Supervision Station, early April this year to early August in the county to carry out a large unlicensed tractor license clearance activities. 3558 sets of agricultural tractors now owned by the county are registered for registration. In the process of cleaning up, 268 “black households” (unlicensed and undocumented) tractors were detected. Most of these license-free machines since the purchase of ...