closed scheme of hot-water supply
... maximum flow of hot-water supply 热水供应最大流量 closed scheme of hot-water supply 闭式热水供应系统 indirect hot water supply 间接热水供给 ...
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变频调速技术应用于建筑热水供应系统时，该热水系统为闭式。
When the technique of regulating speed with frequency conversion is applied to the hot water system in construction the system should be sealed.
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