The construction of operational portion of this tool and seal form used are introduced in this paper.

本文介绍电动液压压接钳的钳头结构及密封形式。

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It directly affects the smooth and stability. particularly crucial of all, is the selection of materials for flow, seal form and shaft coupling.

它直接影响流程的顺畅与稳定，其中泵类过流材料、密封形式、联轴器的选择尤为关键。

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Based on the theory ang practice, hermetic seal form in puming test is introduced, It has great meaning to design and application of puming test.

在理论和实践的基础上，介绍了泵水在水压试验中的密封形式，对泵水设计和使用有一定的指导意义。

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Instead, health workers should switch to N95 respirators that form an airtight seal around the nose and mouth.

CNN: Report on handling H1N1 cases: Use masks with airtight seals

In a complaint that was filed under seal and placed, in heavily redacted form, in the public record this week, plaintiff lawyers accuse the firms of rewarding competitors who stepped out of the bidding with a piece of the deals after they are won.

FORBES: They Jail Antique Dealers, So Why Not LBO Artists?

Chimbonda only lasted one season with Wigan before his form at right-back prompted Tottenham to seal his signature in 2006.

BBC: Tottenham secure Chimbonda return