The idea was that a person acting as a 'sender' would attempt to beam the image over to the 'receiver' relaxing in the sealed room.

这个想法是，一个人作为一个“发送者”将试图把图像发送给在密封房间里放松的“接收者”。

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Single beam, stainless steel, melted sealed.

单剪梁，不锈钢，焊接密封。

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Because the working media of laser is gas, and the pressure difference between the inner apparatus and environment of laser is large, so the window of output laser beam must be sealed.

由于其激光工作介质是气体，而且激光腔内的压力与外界环境压强相差很大，激光束的输出窗口必须密封。

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