blade fan

基本解释

The results show that the airfoil blade fan prevails over the plate one in the aspects of total pressure efficiency, flux capacity and high .
数值模拟结果表明机翼型叶片的全压效率、通流能力和做功能力等方面比相应的板型叶片具有优越性。
The multi-blade fan has been widely used in heating, ventilating and air-conditioning engineering because of its smaller size and lower noise.
多翼风机因其体积小、噪音低而在供暖通风空调工程中得到广泛应用。
The measurements show that the airfoil blade fan prevails over the plate one in the aspects of total pressure efficiency, stable operation range and high efficient operation range.
试验结果表明机翼型叶片在全压效率、稳定运行范围及高效运行范围比相应的板型叶片具有优越性；

These atomise water with a stream of air, using tiny nozzles arrayed around a huge fan blade.
ECONOMIST: Snowmaking
Often the only cooling source in a manufacturing plant or warehouse was a ceiling fan, with a yellow ribbon tied to the blade so that people could see that it was really going around.
FORBES: How Big Ass Fans Can Improve Life for Working People, Fix the Economy, and Help Solve World Health Problems.