After rough grinding in the first hopper , by monolayer partition panel, the material will enter the second hopper, which has plane scale board with steel ball inside to grind material.

物料在第一仓达到粗磨后，经单层隔仓板进入第二仓，该仓内镶有平衬板，内有钢球，将物料进一步研磨。

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Rough and open structure for soft and adhesive sticky work piece to grind.

软而且粘的工件加工时用粗松的组织。

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The slow grind of this rough economy has caused many friends and families to reset gift-giving practices.

FORBES: Have Less Holiday Financial Stress