It mainly consists of Quick Opening Closure, barrel, reducer, and saddle support.

它主要是由快开盲板、筒体、异径管、鞍式支架等部分构成。

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The quick opening closure is a mechanical device which can open and close quickly.

快开盲板是一种能快速开启和关闭的机械装置。

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Besides, the structure optimization and design for the split-ring type LKT quick-opening closure is also performed in this article.

本文还针对剖分环式LKT天然气过滤器快开盲板结构，进行了有限元结构优化分析和设计。

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The New York Stock Exchange orchestrated an orderly closure and opening (whether they needed to close is another question that needs to be answered).

FORBES: Tracking Sandy Recovery

Committee chairperson Paul Givan was concerned that the rationale for the closure of Magilligan and the opening of a new prison closer to Belfast was based solely on the needs of prisoners, suggesting that the needs of staff should be considered.

BBC: Justice Committee

The opening of new stores has rapidly outpaced the closure of old ones.

ECONOMIST: Corporate restructuring