As the outer bore diameter is larger than the inner one, the filter cartridges have a good deep-level filtering capability.

滤芯过滤孔径外大内小，具有优良的深层过滤效果。

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With the increasing of road test mileage, because of the fretting wear picking up, the combined firm degree of pins and outer link plate bore, bushings and inner link plate bore is declined gradually.

随着道路试验里程的增加，由于微动磨损的不断加剧，其销轴与外链板孔、套筒与内链板孔的联结牢固度在逐渐降低。

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Our results indicate that there exist the differences of ion flux and dose among the inner, outer surfaces and the end surface of the bore.

计算机模拟结果显示了空心圆管内部、外部及端点表面处的离子流密度分布和注入剂量分布存在很大差异。

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