The principle of the heating system in t
问题:
The principle of the heating system in this building is that pipes ________ hot water from the boiler to every part of it.
A.consume
B.conduct
C.transmit
D.convey
The principle of the heating system in this building is that pipes ________ hot water from the boiler to every part of it.
A.consume
B.conduct
C.transmit
D.convey