昌图县双庙子镇农机站自１９９９年春与全镇的２８７台农用机车和３００多名驾驶（包括交警发证）操作人员签定了农机管理使用合同书并通过司法公证后 ,该镇的各项农机管理工作得到了顺利的开展。１９９９～２０００年检审率均达１００ % ,农机事故率为０ ,并消灭了黑车。１起 Changtu County Shuangmiaozi Agricultural Station Since the spring of 1999 with the town’s 287 agricultural locomotives and more than 300 operators (including traffic police certification) operator signed a farm machinery management contract and through the judicial notary, the town’s The management of agricultural machinery has been successfully carried out. From 1999 to 2000, the examination rate reached 100%, the accident rate of agricultural machinery was 0, and the black car was eliminated. 1 up