hydronic heating meaning in English

热水供暖, 循环加热

Mid - range steam applications . throttling and balancing of hydronic heating and cooling systems
中档蒸汽应用。热水供暖和冷却系统的节流和平衡。
Specification for multilayer pipe type 2 , compression fittings , and compression joints for hydronic heating systems
循环加热系统用2型多层管压合配件和压合接头的规范
Standard specification for multilayer pipe type 2 , compression fittings , and compression joints for hydronic heating systems
水硬水泥混凝土和灰浆用乳状和粉末聚合物改良剂的标准规范