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在城镇燃气管网的建设过程中,经常会碰到燃气管道穿越河流时,因受地形、投资等实际因素限制,已不能采取大开挖或定向钻穿越方式。天然气管道随桥敷设,成为综合考虑最佳的穿越方式
In the process of building a gas pipeline network in cities and towns, it is often not possible to adopt the method of large excavation or directional drilling because of the actual factors such as terrain and investment that gas pipelines often encounter when crossing the river. Natural gas pipeline laying with the bridge, a comprehensive consideration of the best through the way