Pressurizing transport in industrial circulating system, and all kinds of water supply equipments, boiler etc.
生产工艺循环增压输送。并适用于各种给排水设备。锅炉等设备的配套使用。
However, most of these commercial building are using positive displacement hot water supply equipments, and most of these equipments use electricity as their heat sourse.
然而这些商用建筑中目前普遍使用的基本上都是容积式的热水供应设备，许多是以电做为热源的。
Moreover, it analyzes the effect of earthquake to outdoor and indoor water supply and drainage equipments.
还分析了地震对室内外给排水设施可能造成的影响。
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