3MSpeedglas100V自动变光焊接面罩产品详细描述●5个遮光号（8-12）●可调3档感应灵敏度可选择●自动开关机●1个/箱供应3***002X焊接面罩，3M9002X自动变光焊接面罩供应3MFlexview自动变光面罩，3MFlexview面罩供应3M100V焊接面罩，3MSpeedglas100V面罩3M100V焊接面罩，3MSpeedglas100V面罩)