不久前在上海召开的中国防腐技术四新成果博览会上,全国21个省市的高校、科研所、大中型企业和中外合资企业共120个单位送展的数以千计的新成果、新技术、新产品、新材料,显示出表面防腐技术已发生显著变化。5年前我国只有少数几个科研单位从 At the recent China Anticorrosion Technology Four New Achievements Expo held in Shanghai, thousands of new achievements and new technologies were delivered by 120 institutions including universities, research institutes, large and medium-sized enterprises and Sino-foreign joint ventures in 21 provinces and cities across the country. , new products, and new materials show that the surface anti-corrosion technology has undergone significant changes. 5 years ago, China only had a few scientific research units from