Gradually open the outlet block valve on the coolest product stream.

逐渐打开温度较低的产品流上的出口隔断阀。

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Gradually open the inlet block valve on the coolest product stream.

逐渐打开温度较低的产品流上的入口隔断阀。

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Close the inlet block valve on the coolest product stream.

关闭温度较低的产品流上的入口隔断阀。

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Part of the overhead stream is withdrawn as distillate, or overhead product.

顶部液体的一部分作为馏出物或者说是塔顶产品采出。

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Part of the overhead stream is withdrawn as distillate, or overhead product.

顶部液体的一部分作为馏出物或者说是塔顶产品采出。

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