碳化硅大规模商业化：现状与障碍SiC Mass Commercialization: Present Status and BarriersVictor VELIADISChief Officer and CTO ofPower America, Professor of North Carolina State UniversityVictor VELIADIS美国电力首席执行官兼首席技术官、北卡罗莱纳州立大学教授