1.Defective joint must be:
1.接口不合格处理方式:
2.Support piers are installed at:
2.支墩主要设置在:
3.Backfill layer thickness is:
3.回填分层厚度为:
4.Backfill compaction must be ≥:
4.回填压实系数必须≥:
5.Before backfilling:
5.管道回填前必须:
6.Joint treatment includes:
6.接口处理必须包括:
7.Connection must comply with:
7.管道连接方式必须符合:
8.Elevation control error is:
8.标高控制误差要求:
9.Layout marking error must be:
9.放线误差要求为:
10.Pipeline testing includes:
10.管道必须做试验类型是: