The adopted thickness of steel pipe and the economic flow rate in it under different pressure and working conditions are described in this paper.
本文研究钢管的使用壁厚以及不同工作压力及使用状况下的经济流速。
The thickness and breadth of the steel strip is determined according to different pipe diameter and ring stiffness class requirements.
加强钢带的厚度与宽度根据管材直径、环刚度要求不同而分别设计确定。
In the evaluation of steel pipe quality, the pipe appearance, the weld appearance, the pipe wall thickness, the defect types and sizes, and the pipe materials are selected as the evaluation factors.
在钢管质量评价过程中，选取了钢管外观、焊缝外观、管道壁厚、缺陷种类及尺寸、管道材料作为评价因素集。
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