品名内窥镜氙灯产地美国品牌伟伦WelchAllyn型号功率寿命价格M21E00121W750H380004060-U21W750H380009500-U21W750H380009800-U21W750H3800PE300BF300W500H9800用于史托斯、史赛克等内窥镜冷光源)