Considering the "cone of possibilities" that will unfold in the coming decades, the key relationship in the world to watch will be that between the US and China.

综合各方面考虑，“可能性圆锥”将在接下来的数十年中揭晓，全世界最重要的关系将存在于中美两国之间。

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Proper design of roller cone angle of smooth rolling is the key to obtaining a high accurate wall thickness.

斜轧穿孔机轧辊形状设计十分重要，其中辗轧锥角的正确设计是获得高精度壁厚的关键。

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The structure of impeller made by special material a hollow cylinder and installed in spindle assembly with cone at the top of the head, axial and key connection from, high-speed transfer button.

叶轮结构由特殊材料制作的一空心圆柱体，安装在主轴总成上端轴头上，用圆锥套和键联接传递钮距，高速旋转。

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The three-cone drill is used to measure short-area quickness, which is a key attribute in Houston's zone-blocking offense.

WSJ: NFL Combine: Run Fast and You Might Be a Raider