scale layout of piping 复线管系图
The results showed that the improved software is suited to the piping layout design standard of China.
结果表明，经改进的软件能很好地适应中国标准化管道布置设计。
Procedure and other requirements of pipe rack layout and its piping design in refineries.
介绍工艺装置管廊及其管道布置的设计要求、设计程序和注意事项。
In this paper, the design points of petroleum chemical equipment such as tower top, side and bottom piping, manholes layout and the nozzle position are introduced briefly.
本文对石油化工装置设计中塔顶、塔体侧面和塔底管道的设计，人孔布置及管口方位的设计要点做简要介绍。
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