Many bronze valves offer a Y-pattern body with an angle seat forimproved performance.

许多青铜阀门为了改进性能，采用角式阀座的Y形阀体。

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To compensate, some manufacturers will even slightly alter the geometry of a commuter cycle, perhaps tilting the seat post at a different angle, but that could potentially lead to shorter riders being forced into a more hunched or horizontal position.

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Ditto for Sharron Angle in her quest for a Nevada Senate seat, and Arkansas Sen.

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