阴极室底部呈漏斗状， 并设有一出料孔。
The bottom of the cathode chamber assumes a funnel shape and is provided with a discharge port.
出料孔通过设有放料阀的管道与一真空过滤器连接。
The discharge port is communicated with a vacuum filter through a pipeline which is provided with an emptying valve.
而滑块处在另一端时其定量孔洞与出料孔重叠，同时移动后的滑块封闭送料孔。
When the slide block is positioned at the other end, the quantitative hole and the discharge hole are superposed, and the slide block closes the feeding hole.
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