求翻译：文中根据风险评价的基本模型，确定了以腐蚀指数、设计指数、第三方损害指数为主的指数和。通过该指数和相应的公式预测该段管线的剩余物理寿命。是什么意思？

The basic model of risk assessment to determine the corrosion index, design index, third-party damage index based index and. Through the index and the corresponding formula to predict the remaining physical life of the pipeline.

Based on the risk assessment in the basic model to determine the corrosion index, index design, 3rd party damage index and the index. Through the index and the corresponding formula in the forecast period remaining physical life of the pipeline.

In the article acts according to the risk assessment the basic model, had determined corrodes the index, the design index, the third party harm index primarily index sum.Forecast this section of pipelines through this index and the corresponding formula the surplus physical life.

According to the basic models of risk assessment, determining corrosion design index, index, consisting mainly of third-party damage index and index. By the index and the corresponding physical life prediction formula of that remaining in the pipeline.

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