Install and secure the threaded rod and gate plate.

将丝杠与闸板安装、紧固好。

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The gate plate be designed knife type, the seat is good.

刀锋式闸板设计，关闭时由斜面施力于阀座，密封性好；

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In the past time, the method of adjusting gate plate or throttle was usually used to control flow quantity. The method is simple but causes much loss of power.

过去多是采用调节档板或节流阀的方法控制流量，这种方法虽然简单，但损失了大量的电能。

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Farmers have long called for the food supply chain, which can involve many traders and processors between farm gate and consumer plate, to be overhauled and simplified.

BBC: Tesco pledges to sell meat from 'closer to home'