英语语法分析

Transformative problem of aerofoil impeller is put forward.

提出了机翼型叶轮的改造问题。

The rotor blades work like the wings of an aeroplane, with an aerofoil shape providing lift.

旋转叶片的工作原理类似飞机的两翼，运用机翼的形状提供上升力。

The blades have an aerofoil shape and provide lift when passing through air, like the wings of an aeroplane.

这些叶片拥有机翼的剖面形状，它们就像普通飞机的机翼那样，通过划过空气来产生升力。