Emphasis must be laid on constructioninspection and safety supervision so as to avoid safety accidents.
要注意施工安全，加强施工巡查和安全监管，确保不发生安全事故。
2
Concrete mixing time should be in line with "concrete structural engineering and constructioninspection norms".
混凝土搅拌的时间应符合《混凝土结构工程施工及验收规范》的规定。
3
The article introduces in detail the construction techniques of the material receiving, pipe installation, constructioninspection and repairing treatment.