The upper blade is connected with the lower blade through a pin shaft and a chute.

上叶片与下叶片通过销轴和滑槽连接。

youdao

The composite article as recited in claim 1 further characterized by the upper and lower surfaces being contoured to a blade aerodynamic profile.

综合文章作为背诵权利要求1进一步的特点是上，下表面被等高，以刀片的气动的个人资料。

youdao

The composite article recited in claim 8 further characterized by the upper and lower surfaces being contoured to a blade aerodynamic profile.

综合文章背诵在索赔8进一步的特点是上，下表面被等高，以刀片的气动的个人资料。

youdao

The idea is that the pressure around a rotating turbine blade is lower than in the surrounding air.

BBC: Wind farms put pressure on bats

Many of the blade suppliers are using technologies and techniques that were developed for structures with much lower design loads and criteria.

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