New managers have repainted its tin roof and installed two Chinese - made pumps with digital displays.

新任的管理者们重新喷饰了铁皮屋顶,装配了两个中国制造的电子显示屏油管.

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The speed of spindle is controlled by frequency converter, and digital - displays the speed.

由变频器控制主轴的无级调速, 数显表显示实际转速.

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