... preformingmachine压片机 prefractionation初（部分）馏；初蒸 prefractionator初馏塔 ...
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... 初裂炼 primary cracking 初馏 primary distillation 初电解 primary electrolysis ...
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初馏物 [油气] [化工] first runnings ; singlings ; fore-run ; foreshot
初馏点 [油气] [化工] Initial Boiling Point ; IBP
初馏塔 primary tower ; prefractionator ; preflash ; tower
苯初馏 benzole forerunning
初馏分 first cut ; light boilers ; starting fraction ; distil overhead
初馏锅 wash still
最初馏分 tops
原油初馏 primary distillation of crude oil
初馏点腐蚀性 corrosion at initial boiling point
从蒸馏试验所得初馏点与终馏点之间的温度差值。
The difference between the temperature at the initial boiling point and at the end point, as obtained by the distillation test.
经过原油换热器，热的原油被送至初馏塔第四层塔盘。
From the crude heater, the hot crude oil is delivered to the crude tower above the fourth tray.
对初馏塔的模拟除初顶油质量存在很小的误差外，流量和温度等关键指标与实际是一致的；
Simulation results of primary tower were in accord with plant data except slight deviation of gasoline quality.
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