Abstract: : building water supply and drainage engineering construction and installation of the project is an important part, its installation quality of will directly affect people's use.
䧝摘要：建筑给排水工程是建筑安装工程的重要组成部分，其安装质量的好坏将直接影响人们的使用。
A building or work site or a construction, installation or assembly project.
大楼、工作地点、建筑物、装置或装配物。
The special project department is specialized in the design, installation, debugging and maintenance of building fire control security systems.
特种工程部专业从事建筑物消防安全系统的设计、安装、调试及维护工作。
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