通过试验说明，对于大型框架结构，采用平面有限元进行计算较为合理。
Illustrating that as to this multi-span large frame structure, it is relatively right to adopt plane finite element for calculation.
分析了大型化的常减压装置平面布置的设计考虑，并具体讨论了装置管廊、 框架、转油线等方面的设计看法。
The author presents some considerations on pipe rack, structure and transfer line of large scale crude atmospheric and vacuum distillation unit.
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