Reattach cover plate to make an air and water tight seal.

重新固定盖板，并紧密密封防止空气和水通过。

youdao

Wedging actions help affect a tight seal in low differential pressure services.

楔形的作用有助于在低压差应用中产生紧密的密封。

youdao

Sealing compounds and sealed fasteners are used on all joints to complete the fluid tight seal.

所有的接头处都用密封剂和密封紧固件进行密封。

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But knowing what percentage this is of the total amount leaking from the well will not be possible until a tight seal is on the well.

VOA: standard.2010.06.14

Because of the tiny size, however, we had to jam them oddly far into our ear canals to get a tight seal no matter which tips we used (single and dual-flange options are offered).

ENGADGET: Ears-on with Klipsch's latest intra-aural headphone lineup: Image S4 (II) series, X7i

Leicester's defence was well-organised and water-tight, but the seal was almost broken before the interval when Robert Lee's effort fizzed through a crowd of players, but Flowers caught a glimpse and saved low down to his left.

BBC: Shearer

It did not seem impossible that Wawrinka might get tight when serving for the match but he avoided that potential drama by breaking again to seal an unexpected and extraordinary victory.

BBC: Stanislas Wawrinka beats Andy Murray at US Open