This paper presents a kind of measurement instrument for meteorological visibility and lighting visibility using visible laser.
介绍了一种基于透射表原理的可见激光测量气象能见度和灯光能见度的仪器。
2
Laser cutting technology can partly replace a punching machine or line cutting in the field of hardware, tubular product and lighting industry.
激光切割技术在五金和钣金、广告、工艺及灯饰行业,可大部分代替冲床和线切割。
3
We specialized in designing, opening up and producing all kinds of gift pens, including electronic lighting pens, projector pens, message pens, laser pens and so on.