主要是在玉刚砂混合液中起到搅拌、吸砂的作用，且具有排量大、无飞溅、温升低和泵体球墨铸铁制造等特点。

This series of quartz sand pump are characterized by large displacement, free of splashing , low temperature rising in the process of sand stirring and sucking . The body is made of ductile iron.

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那时她们刚吃完年夜饭，她与戴教授隔着餐桌坐着，思玉可以看到窗帘上的竹叶被外面的焰火照亮。

They had just finished dinner, and, sitting across the table from Professor Dai, Siyu could see the prints of bamboo leaves on the curtain lit up by the fireworks outside.

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这就是我们刚看到王伟和付关玉时的情景，他们正在求挖掘机驾驶员去他们家救他们的儿子和祖父母。

This was the moment we first saw Wang Wei and Fu Guanyu, as they were begging the driver of an excavator to go to their house to try to rescue their son and his parents.

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