100ml,浓度:1wt%,直径:~15-25 nm 100ml,浓度:2wt%,直径:~15-25 nm 100ml,浓度:3wt%,直径:~15-25 nm
10 sheets,直径：~7cm
100mL,直径：~10nm
100mL,直径：~50nm
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