ExecuteReader 要求已打开且可用的 Connection。连接的当前状态为正在连接。 Slate Roller Mill Supplier

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Slate Roller Mill Supplier

As the mill feed enters the pan mill via a central, co-rotating chute, the heavy inner runners spread it continuously out over the inner, unperforated grinding track. The scrapers then spiral the uniformly crushed stock out onto the outer, perforated track, where it is postcomminuted and pushed down through the perforated grid plates.

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