研究表明，风扇的舌部形状、舌部间隙、舌部倾角和蜗壳大小对风扇的性能有较大的影响。

The results show that the fan tongue shape, space and inclination have a larger effect on fan performance.

youdao

研究表明，风扇的舌部形状、舌部间隙、舌部倾角和蜗壳大小对风扇的性能有较大的影响。

The results show that the fan tongue shape, space and inclination have a larger effect on fan performance.

youdao