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Corrugated metal culvert used in highway maintenance engineering. After the culvert body and the main body of the hole are transported to the construction site, the construction unit can begin to dismantle the old culvert.
In the demolition of the old culvert at the same time, pay close attention to the basic material preparation work. The preparation can be completed, and the foundation pit excavation work inspection qualified rear.
Spiral corrugated metal culvert used in highway engineering, in order at the same time the culvert can seize the foundation material preparation and excavation work.
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