美国、日本及欧洲各国,在住宅建筑工业化的过程中,也重视水暖设备工程的工业化。其主要途径是发展工厂预制的组合设备构件。水暖设备工程的工业化,开始由工地现场预制装配,以后发展成加工厂预制设备单元。现在出现了专门生产这 In the industrialization of residential buildings, the United States, Japan, and European countries also value the industrialization of plumbing equipment engineering. The main approach is to develop plant prefabricated composite equipment components. The industrialization of plumbing equipment engineering began with prefabrication on site and later developed into a prefabricated equipment unit in a processing plant. Now there is a special production of this