(续上期)4橡胶机械和检测设备我国橡胶机械行业虽然起步很早,但在改革开放以前一直处于落后状态,尽管生产产品从开炼机、密炼机逐步发展到挤出机、压延机、硫化机等各类设备,但主要产品的精度、性能、联动化技术、自动化程度、元件技术和配套的检测技术等均较落后。改革开放以? (Continued) 4 Rubber Machinery and Testing Equipment Although China’s rubber machinery industry started very early, it has been in a backward state until the reform and opening up. Although the production of products gradually expanded from open mill and internal mixer to extruders, calenders, Curing machine and other equipment, but the main product accuracy, performance, linkage technology, degree of automation, component technology and supporting testing technology are more backward. Reform and opening up?