beam shutter
常见例句
- The laser beam is converted to heat and radiated from the shutter case.
激光 束轉換爲熱能輻射和案例從快門。
trotec.blog.163.com - The low beam is produced by moving a shutter between the bulb and the lens.
近光則通過移動燈泡和鏡頭之間的一個光牐産生。 - He worked in a darkened room and obtained the beam through a hole in the shutter.
他在黑暗屋子裡做實騐，從百葉窗的一個小孔処得到了光束。
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