To pipeinstallation 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。
2
Wide applications in thin plank manufacture, pipeinstallation, 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。
3
The article introduces in detail the construction techniques of the material receiving, pipeinstallation, construction inspection and repairing treatment.