fluorescent brightener added detergent
[化] 增白洗涤剂
nickel plating brightener BE
[化] 镀镍光亮剂BE
optical brightener
[化] 荧光增白剂
picture-tube brightener
[电] 影像管增亮器
polyurethane brightener
[化] 聚氨酯光亮剂
