布朗的三氧化二铝磨料，是融合和凝结着高温条件下，从混合铝土矿和其他材料。
Brown aluminium oxide abrasive is fused and crystallized under high temperature from a mixture of bauxite and other materials.
盒子可从羚羊或其他种类的非磨料。
The box can be made from chamois or other kinds of non-abrasive materials.
软质类植物磨料，具有良好的耐用性和柔软性，并能和其他抛光材料混合使用。
Soft kind of botanic abrasives, with good durable and pliable properties, can be used mixed with other polishing abrasives.
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