反应产物蒸汽依次通过反应器上部精馏区内的甲酸甲酯分离区、冷凝器、尾凝器，从气相冷凝分离得甲酸甲酯的粗产品混合液。
Reaction product vapor through methyl formate separating area, condenser and tail condenser, methyl formate crude product mixed liquor is got from gas phase condensation separating.
据指出，如何建立气化炉不管，总是会有低温区，在那里发生裂解，产生冷凝碳氢化合物。
It is noted that no matter how gasifier is built, there will always be a low temperature zone, where pyrolysis takes place, generating condensable hydrocarbon.
铸轧区金属（液态金属、粘糊状金属和冷凝壳）的流动为非均匀介质流动。
The flow of metal in cast rolling area (liquid metal, sticky metal and solid shell) is an uneven medium flow.
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