美国GE灯管，F20T12.BLB，紫光灯管，检测灯管 F20T12.BLB 图片

p1Src=//y3.yzimgs.com/uploads_old/176068/2012090611354048_old.jpg&p2Src=//y3.yzimgs.com/uploads_old/176068/2012090611354048_old_1.jpg&p3Src=//y3.yzimgs.com/uploads_old/176068/2012090611354048_old_2.jpg"