In this paper, we utilize current equipments such as dynameter and specific fuel consumption detector, and design a set of engine test bench platform based on P89C668.

根据发动机架验测的基本要求,充分利用测功机、油耗仪等原有备,开发基于P89C668的发动机架验测,实示、打印、控制和通讯等功能。

The bench test results indicated that the metering quality of the dibbler was increased significantly after improvement.

架验结果表明，穴播器经改进后对棉种的播种精度有较大提高。