The elasticity parameter at diameter direction of the snap ring can be increased; the buckle installation tightness degree between the snap ring and the wheel core is increased.

能够增强卡环在其直径方向上的弹性参数，提高卡环与轮芯之间的扣装紧密程度。

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We believe that our competitors are now selling smaller diameter cores at cash cost in order to reduce inventory or to keep utilization rates high.

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In addition to the blimps, border officials are exploring more than 100 other types of military gear, from hand-held instant-translation devices that could be used at crossings to sensors that can monitor up to a 10-mile diameter area for days at a time.

WSJ: From Battlefield to the Border

Dr Carlstrom and his colleagues propose building an eight-metre-diameter radio telescope at the South Pole to search for such cold spots.

ECONOMIST: Cosmology