avoid exposure laser laser light emitted from this aperture

求翻译：Avoid exposure-laser radiation is emitted from this aper laser radiation when open AVOID DIRECT EXPOSURE TO BEAM laser 英语翻译1.The beam that is emitted by a laser differs in several 英语翻译Abstract - This paper presents two laser scanner basedap 求幸村精市版laser beam 英语翻译laser is a kind of light and also a form of energy.a las 英语翻译A laser is used to produce very powerful beams of light. 英语翻译In physics,a laser is a device that emits light through 英语翻译Laser pen With laserpointer class II,LED light PDA pen,2 激光二极管laser diode参数问题 英语翻译this is my order for :1 - laser tube 80W Height about 16