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.
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.
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。
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