beam shutter
常见例句
- The laser beam is converted to heat and radiated from the shutter case.
激光 束转换为热能辐射和案例从快门。
trotec.blog.163.com - The low beam is produced by moving a shutter between the bulb and the lens.
近光则通过移动灯泡和镜头之间的一个光闸产生。 - He worked in a darkened room and obtained the beam through a hole in the shutter.
他在黑暗屋子里做实验，从百叶窗的一个小孔处得到了光束。
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