The methods include posterior ring internal fixation by using sacral bars, four-hole square plates or cancellous screws with anterior ring fixed by plates.

固定方法有：前环骨折采用钢板固定；后环骨折分离采用骶骨棒，四孔方形钢板，松质骨螺钉固定。

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The three-ring internal gear reducer(TRIGR) in this article is a new type transmission which have been developed on the basis of involute few teeth difference (FTD) planetary transmission.

本文中的新型内三环减速器是在渐开线少齿差行星传动的基础上开发的一种新型传动装置。

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The utility model comprises a jar body, a jar lid, an air hole, a cushion ring, internal screw threads and external screw threads.

本实用新型由坛体、坛盖、透气孔、垫圈、内螺纹和外螺纹构成。

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The steering wheel contains an internal and external ring of sensors, where an airborne waft will activate the turn sensors, one across the top can activate the in-car entertainment and two across the face can control additional functions.

ENGADGET: Neonode's Proximity multi-sensing technology hands-on (video)