采用多媒体投影结合板书教学;
转子活塞式湿喷机; 结合板; 耐磨性; 措施;
Rotary-piston type wet shotcreting machine; Coupling plate; Wear resistance; Measure;
结合板式塔基础研究和技术进步,扼要讨论了塔板的操作限制。
Tray operation restrictions have been discussed based on the basic research and technical progress of tray column.
应用推荐