Chinese translation for "two pipe direct return system"

双管直接回水供暖系统
双管直接回水系统

Similar Words：

"two pin plug" Chinese translation, "two pinned arch" Chinese translation, "two pints of mild" Chinese translation, "two pipe" Chinese translation, "two pipe direct downfeed system" Chinese translation, "two pipe drop heating system" Chinese translation, "two pipe heating system" Chinese translation, "two pipe hot water downfeed system" Chinese translation, "two pipe hot water upfeed system" Chinese translation, "two pipe jet pump" Chinese translation