传感器为车前排的光电管。
裁断作业时采用光电管控制，操作最安全。
During the cutting operation, the photoelectric tube control is adopted with the most safe operation.
本文描述了测定光电管绝对灵敏度的一种简单方法。
A simple method for determining absolute sensitivity of phototube is described.
本文描述了测定光电管绝对灵敏度的一种简单方法。
A simple method for determining absolute sensitivity of phototube is described.
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