To pipe installation is complete and experience the qualified, conducted only after backfill earthwork.

待涵管道安装完成并经验收合格后，方可进行土方回填。

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Wide applications in thin plank manufacture, pipe installation, mould repair, petrochemical industry, architectureal decoration etc.

广泛适用于薄板制件、道安装、具修理、化行业、筑装饰工程等。

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The article introduces in detail the construction techniques of the material receiving, pipe installation, construction inspection and repairing treatment.

文章详细介绍了施工中对材料的接收、管道的安装、施工检查及修补处理等施工技术。

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The switch reduced the thickness of the outer pipe by a third to 0.8 inches, cutting shipping and installation costs.

FORBES: Technology