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pH0.9~1.5的无色酸性液体 pH2.0~3.5的淡黄色酸性液体 pH4.0~6.0的无色酸性液体 pH6.5~7.0无色近中性液体 pH7.4~8.0淡黄色碱性液体
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pH0.9~1.5的无色酸性液体 pH2.0~3.5的淡黄色酸性液体 pH4.0~6.0的无色酸性液体 pH6.5~7.0无色近中性液体 pH7.4~8.0淡黄色碱性液体
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pH2.0~3.5的淡黄色酸性液体 pH4.0~6.0的无色酸性液体 pH0.9~1.5的无色酸性液体 pH6.5~7.0无色近中性液体 pH7.4~8.0淡黄色碱性液体
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Ph 0.9~1.5的无色酸性液体 pH 2.0~3.5的淡黄色酸性液体 pH 4.0~6.0的五色酸性液体 pH 6.5~7.0无色近中性液体 pH 7.4~8.0淡黄色碱性液体
0.9~1.5 0~0.9 1.5~2.5 2.5~3.0
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