Taper roller bearings of the series 313 are particularly adequate due to their comparatively large contact Angle (approximate 30 deg), when high axial forces are to be considered.

圆锥滚子轴承系列313，特别是足够的，由于其相对较大的接触角(约30摄氏度)，高轴向力时要考虑的。

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But it must be considered, that Taper Roller Bearings which run misaligned are subjected to considerable additional forces that will shorten their service life and generate high running noise levels.

但它必须考虑的，运行对齐，圆锥滚子轴承都受到相当大的额外的力量，会缩短其使用寿命，并产生高运行噪音水平。

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Museums often enjoy cheeringly high visitor Numbers in the first year or two, but then attendance tends to taper off.

博物馆的访客量往往在第一、二年有较高的人数，随后便趋于逐年减少。

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There are high initial costs as the cancer is treated, and then, if all goes well, these costs taper off.

NEWYORKER: Letting Go