类 别金额金额增长(%) 类 别 金额 金额增长(%计量检测分析白控仪器及器具 36550 45 6全国出口总值(亿美元) , 244,6 27.8 全国进口总值(亿美元) 237.8 49.42003年2月我国机电产品进出口前20大类产品 Category Amount Amount Increase (%) Category Amount Amount Growth (%) Measurement and analysis White-control equipment and instruments 36550 45 6 National total exports (billions of U.S. dollars), 244,6 27.8 Total imports (billions of U.S. dollars) 237.8 49. 42003 China’s import and export of mechanical and electrical products before the 20 major categories of products