这些轴承有更大的接触角和无填充槽。

These bearings have a larger contact angle and no filling slots.

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由于电子商务的无地域限制，实际上，无论是营业执照还是依法纳税的触角都将迅速波及到全国。

Ase-commerce without geographical restrictions, in fact, both the business license tax in accordance with the law or the tentacles have spread rapidly throughout the country.

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介绍了这种无触角剃前齿轮滚刀的切削原理、优化设计数学模型，并通过实例验证了设计效果。

The cutting principle and the optimum design mathematical model of such non-feeler preshaving hob are introduced and effect of the design is validated by its example.

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