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。

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.

youdao

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。

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.

youdao