Bracket: it gets two pivots to contact upper support plate, mid-support plate and lower support plate and fix the distance 25mm.

支架：有两根枢轴联结上承板、中承板和下承板之间的距离籍支承套固定为25毫米。

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In the meantime, Roddick, who scored a superb victory in the Miami Masters 100 tournament recently, is hoping that Isner and Querrey can step up to the plate to give him some support in the upper echelons of the world game.

CNN: Where are America's future tennis champions?