With the development of oxygen generating mini machine, more and more people will enjoy the environmental and healthy oxygen.

微型氧气机的研制将使更多人享受到环保、健康的氧气。

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With the social and economic development, with the one-child families, increasing the healthy development of children more and more attention.

随着社会经济的开展，随着独生子女家庭的日益增多，少年儿童的安康开展越来越遭到注重。

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With the social and economic development, with the one-child families, increasing the healthy development of children more and more attention.

随着社会经济的开展，随着独生子女家庭的日益增多，少年儿童的安康开展越来越遭到注重。

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