“axial flow fan”可以造什么句，axial flow fan造句
来源：语文精选馆 1.53W
DWZ development of the series, axial flow fan rotor with the world's advanced level.
Axial flow fan is the main ventilation device presently. This paper introduces the application of axial flow fan, settles saving energy problem and air regulation problem.
Marine explosion-proof type axial flow fans
