blade wheel的用法和樣例：
例句
- Changing meridional shape and blade angle can have large effects on the blade loading distribution.
葉輪進口尺寸相同的情況下，子午形面和葉片角的變化對葉片負荷分佈有較大影響。 - The relationship between unsteady flow and blade loading distributions is very important in the design of turbomachinery.
葉輪機內部非定常流動與葉片表面負荷分佈之間的關係對於葉輪機的設計非常重要。
