Research and development of cost system of construction and fitting water supply and sewerage engineering is very important.
因此，建安给排水工程造价系统的研制与开发是一项具有重要意义的工作。
参考来源 - 建安工程给排水概预算应用软件开发研究Research and development of cost system of construction and fitting water supply and sewerage engineering is very important.
因此，建安给排水工程造价系统的研制与开发是一项具有重要意义的工作。
参考来源 - 建安工程给排水概预算应用软件开发研究·2,447,543篇论文数据，部分数据来源于NoteExpress
It is understood that a total of 78 real estate and construction and fitting exhibitors.
据了解，共有78名房地产和建筑施工和装修的参展商。
Used in the construction and fitting-in antifreeze, concrete can harden in the negative temperature and the time to achieve sufficient strength antifreeze.
在建筑装修中使用防冻剂，能使混凝土在负温下硬化，并在规定时间内达到足够防冻强度。
Engineering works mentioned herein refer to construction projects including the construction, reconstruction, extension, fitting, removal, repair of buildings and component parts.
本法所称工程，是指建设工程，包括建筑物和构筑物的新建、改建、扩建、装修、拆除、修缮等。
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