English translation for "open return steam heating system"

直接蒸汽供热系统

Similar Words：

"open reservoir" English translation, "open resonator" English translation, "open return" English translation, "open return bend" English translation, "open return bend u" English translation, "open return system" English translation, "open reverse turn" English translation, "open rhinolalia" English translation, "open ribbed" English translation, "open ridge" English translation