open return steam heating system

同义词释义

1)open return steam heating system,直接蒸汽供热系统2)open steam heating system,直接蒸汽供热系统3)direct,直接4)directly,直接5)directness,直接6)at first hand,直接7)immediateness,直接8)flat,直接9)direct semidirect capture,直接-半直接俘获10)chopper converter direct,直接直接变换器