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pipeline crossing construction
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pipeline crossing construction
管道穿越施工
管道从河流、湖泊、沟渠等天然或人工障碍物下部通过的工程施工。具有施工工艺复杂、施工难度大、质量要求高的特点,通常将施工工期长、风险大的穿越工程划定为控制性工程,提前组织施工。
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