... chemical grouting 化学灌浆 chemical refuse 化学垃圾 chequered plate 网纹钢板；格仔花板 ...
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refuse chemical composition 垃圾的化学组成
·2,447,543篇论文数据，部分数据来源于NoteExpress
Companies have begun to phase out BPA. Sunoco has said it will refuse to sell the chemical without a guarantee that it will not be used in children's products.
CNN: Ban unsafe chemical from baby bottles and cups
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