Optical-electro sensor detect, pause during bottle missing or jam, auto operating after re-set.
光电传感器检测，缺瓶或堵瓶暂停作业，恢复后自动运行。
The propagation properties of the bottle beam were described based on geometrical optical theory, interferential theory and diffraction theory.
分析几何光学理论、干涉理论和衍射理论对局域空心光束传输特性的描述。
The propagation properties of the bottle beam were described based on geometrical optical theory, interferential theory and diffraction theory.
分析几何光学理论、干涉理论和衍射理论对局域空心光束传输特性的描述。
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