它是种奢侈品还是大批量生产的产品。
多年来，我国一直有生产呜呜祖拉的厂家，不过产品数量不多，但是自去年秋天以来，我国厂商开始接受大批订单。
Chinese factories have been molding the horns in small Numbers for years, and massive orders started last fall.
使用微小的研磨介质，产品细度再现性好，实验数据可以投入大批量生产。
With minor mill medium, it can get good product fineness reproducibility. The experimental data can be put into large lot manufacture.
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