本实用新型是一种改良后的下水管弯曲部，即贮水弯。

The utility model relates to an improved bending section of a sewer pipe, which is water storing bend.

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而且，所述弯曲部可以几何性地调节弹性，具有很高的减震作用，使转子的旋转更加的稳定。

In addition, the bent part can regulate elasticity geometrically to result in high damping function and to further stabilize the rotation of the rotor.

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网状薄板（23）构成为具有上侧 弯曲部（231）、下侧弯曲部（232）、右侧弯曲部（233）以及左侧弯曲 部（234）。

The net-like sheet (23) has an upper folded part (231), a lower folded part (232), a right folded part (233), and a left folded part (234).

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