保水剂又称吸水剂、高吸水性树脂，是人工合成的一种具有超高强吸水、保水能力的高分子聚合物。
Water retention agent is a kind of man-made high-hygroscopicity resin, which has super absorbent and maintaining capacity of water.
保水剂又称吸水剂、高吸水性树脂，是人工合成的一种具有超高强吸水、保水能力的高分子聚合物。
Water retention agent is a kind of man-made high-hygroscopicity resin, which has super absorbent and maintaining capacity of water.
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