The effects of corrosion rate, defect depth, thickness of pipe and operation pressure on pipeline reliability were investigated with this model.
利用这一模型，研究了腐蚀速率、缺陷深度、管道壁厚和工作压力等因素对管线可靠性的影响。
Thee invention relates to very precisely measuring changes in thickness of pipe walls to determine corrosion rate prior to any significant corrosion loss.
本发明涉及，在产生任何显着腐蚀损耗之前，非常精确地测量管壁厚度变化以确定腐蚀速率。
The connection strength increases with the increasing of bearizing rate of coupler and thickness of pipe wall, but decreases with the increasing of connection length.
管接头的连接强度随着扩孔率、管壁厚度的增加而升高，但随着连接长度的增大而降低；
The connection strength increases with the increasing of bearizing rate of coupler and thickness of pipe wall, but decreases with the increasing of connection length.
管接头的连接强度随着扩孔率、管壁厚度的增加而升高，但随着连接长度的增大而降低；
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