外壳设在中空纤维膜或毛细管膜周围，爆气装置位于外壳的底 部。

The shell is arranged around the hollow-fiber membrane or capillary membrane and the aeration device is arranged at the bottom of the shell.

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在你感觉自己即将要气爆的时候，做下深呼吸，去外面呼吸呼吸新鲜空气。

When you feel like you are just about to explode, you take a deep breath and go outside for a breath of fresh air.

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气不鼓不能前进，气太足可能爆胎。

Drum can not move forward, out of breath too may puncture.

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