表面漆的磨、擦、推之总称。磨，传统习惯用“羊肝石”、朴炭，现多用三百号至五百号水砂纸磨�校徊粒�用头发团擦去磨痕；推，用人手或机械抛光，沾些植物油和细瓦灰掺合擦推，直到光亮。达到“漆黑如镜”者为优质。
平遥推光漆器髹饰技艺发源于山西中部的平遥县，传布至北方广大地区。
Pingyao push Xiushi light lacquer art originated in the middle of Pingyao County, Shanxi Province, spread to large areas of the north.
由于索引器本身只是推消息处理过程中的一个环节，所以光索引器本身的延时必须保证在亚秒级别。
Since the indexer is only one part of the pipeline a Tweet has to make it through, we needed the indexer itself to have a sub-second latency.
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