According to the intake duct character of diminutive gaso line engine, a new method-turnover form method is presented, and the precision of measuring point cloud by this method is high. 针对小型通用汽油机缸体的特点,提出了用于测量小型汽油机缸体的翻模测量法,用该方法测量汽油机的缸体可得到较高的测量精度;
The development of synthesis gaso ■ ine process from CO+ H_2 with tail gas recycle in high-speed fixed bed is studied. 进行了尾气循环高速固定床CO+H2合成汽油工艺过程的开发研究。