JB/T 11966-2014《空气源多联式空调(热泵)热水机组》标准解析
JB/T 11966-2014《공기원다련식공조(열빙)열수궤조》표준해석
Interpretation of JB/T 11966-2014 Air-source multiple split air-conditioning (heat pump)and water heating unit
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