Back back good use of the process if they feel affected by breathing, please adjust the tightness of the appropriate level.
背背佳使用过程中如果觉得呼吸受到影响，请适当调节松紧程度。
Back back good use when gluing a belt attached to the belt to all the hair on the sticky and compacted to prevent the belt fluff, and the best pull.
使用背背佳时，引带粘扣要全部粘贴在腰带粘毛上并压实，以防止腰带起毛，并达到最佳拉力。
Recommend the initial use back back good 2-4 hours from start to adapt to gradually extend the wear of time, from a security point of view should not be worn during sleep to use.
建议初次使用背背佳从2 - 4小时开始，适应后逐渐延长佩戴时间，从安全角度考虑睡眠时不宜佩戴使用。
This time is necessary to use a back back good.
这个时候就要用到背背佳了。
This time is necessary to use a back back good.
这个时候就要用到背背佳了。
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