The residual life for long-dated service pipe corroded in atmosphere is studied.
对长期暴露在外并受大气腐蚀的压力管道进行了腐蚀剩余寿命研究。
The field experiment indicated that the service property of this kind of pipe is fine.
经现场试验，这种钻杆的使用性能良好。
Each Pipe class shall indicate the applicable design code under service.
各管道等级应标明工况下的适用设计标准。
Each Pipe class shall indicate the applicable design code under service.
各管道等级应标明工况下的适用设计标准。
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