So it's better to just try to, you know, seal those crevices and vacuum them if they do get in.

所以最好是试着密封家里的缝隙，如果有进来的，那就用真空吸尘器吸。

youdao

Sprinkler pump shell cracks, or impeller, leaf damage, or seal damage, will affect the degree of vacuum, water pumping, water pressure is too small or the phenomenon.

洒水车水泵泵壳出现裂纹、或者叶轮、倒叶损坏、或者水封破损，都会影响真空度，出现水抽不上来，或者水压过小的现象。

youdao

The sealing strips seal the suction zones towards the roll interior where no vacuum is created.

密封条用于密封朝向（非真空的）辊内部的抽吸区。

youdao

He said he is able to save time and hassle by simply using a vacuum-seal travel bag.

WSJ: Cutting Down On the To and Fro

All that was needed to make a mechanical energy-storage system was a good enough rotational seal, so the flywheel could spin freely inside a vacuum chamber with no air resistance.

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