The difference between the temperature at the initial boiling point and at the end point, as obtained by the distillation test.

从蒸馏试验所得初馏点与终馏点之间的温度差值。

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This project forced on resolve the measure of the Initial boiling point, 10%~90% distillation temperature, Final boiling point and the distillation rate problem.

本设计重点解决初馏点、10%~90%馏出温度、干点测量以及油体馏出速度控制两大问题。

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