Crossing shield

- Jun 30, 2017 -

With the rapid increase in demand for oil and natural gas, the construction of long distance pipeline also appeared a new climax. For the pipeline through the river, mountain and other areas, the use of the shield through the completion of the process. Shield method construction technology in recent years in the domestic and foreign pipelines, tunnel engineering has been widely used, with high efficiency, good safety, non-pollution and so on.

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