When in idle, the air or water in the rubber air cell can be discharged and the rubber air cell can be taken out after shrinking for a recycle.
当不再需要时，将橡胶气囊内的气或水放掉，等橡胶气囊收缩后即可取出，可再利用。
When in idle, the air or water in the rubber air cell can be discharged and the rubber air cell can be taken out after shrinking for a recycle.
当不再需要时，将橡胶气囊内的气或水放掉，等橡胶气囊收缩后即可取出，可再利用。
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