| 摘要 |
laying of new or repairing of existing pipelines of difficult terrains. SUBSTANCE: invention relates to laying of pipelines of swamps and irrigated terrains. According to proposed method, section or sections of pipeline to be laid is delivered to side and is connected to existing pipeline using a helicopter. EFFECT: reduced time taken for mounting and repair operations, cut-down labor input and materials usage. 3 cl, 1 dwg
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