BG Weak Acid Black BG 弱酸性黑BG
Weak Acid Black RB 弱酸性黑RB
Weak Acid Black VL 弱酸性黑VL
Weak Acid Black NB-G 弱酸性黑NB
·2,447,543篇论文数据，部分数据来源于NoteExpress
Suitable for various kinds of water quality, water, salt water, oil, lipid, weak acid, stoichiometric such media, especially ability grinding. (the stuffing the color is divided into black and white).
适用于各种水质、海水、咸水、油类、脂类、弱酸、弱碱等介质，尤其能耐研磨。（此盘根按颜色分为黑色和白色）。
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