Deep Groove ball bearings are the most popular of all the ball bearing types because they are available in a wide variety of seal, shield and snap-ring arrangements.

深沟球轴承是所有类型的球轴承最流行的，因为他们是在一个密封，盾牌和管理各种各样的戒指安排可用。

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As a traditional method of shield tunnel segment designing, the free displacement ring method is safe but conservative.

自由变形圆环法作为盾构隧道管片衬砌设计的传统方法，其计算结果虽安全但偏于保守。

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Another linguistic feature is the use of composite figurative nouns: whale-road for sea, ring - giver for king, shield-man for warrior, etc.

另一个语言特点是喜用形象比喻的两元名词，如称海为“鲸路”，称国王为“颁赏指环的人”，称武士为“持盾的人”等等。

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