一旦确定正确的流量设置，则将记忆止动装置朝着指示器板的开启位置顺时针方向旋转，直到记忆止动环触到指示器板为止。

Once correct flow rate setting has been established, slide memory stop clockwise towards open side of indicator plate until memory stop ring hits indicator plate.

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上部装置——有上部机壳、上罩、卸料口(装有防回料板)、头轴装配、逆止器等部件。

Upper device — includes parts of upper casing, top cover, discharge outlet (with anti back feed plate), head shaft and backstop.

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