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First of all, accelerate the development of bamboo building materials, strengthen scientific and technological investment and new product research and development, increase product technology content and added value, expand application fields and market share, and let my country’s national character
Cleaning abilityIt is difficult for traditional toothbrushes to completely remove dental plaque, coupled with improper brushing methods, the cleaning effect of brushing teeth is greatly reduced. Experiments have shown that electric toothbrushes remove 38% more plaque than manual toothbrushes, and it
