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本文简单叙述了目前钢制液化石油气管道施工过程中存在的问题,主要论证了预制钢管强压试验用铸铁机械封堵的可行性。
This article briefly describes the existing problems in the construction process of steel liquefied petroleum gas pipelines, and mainly demonstrates the feasibility of mechanical plugging of precast steel pipe in the strong-pressure test.