求翻译：以宝石贸易作为主要城市经济支柱的拉特那普，是斯里兰卡最大的宝石交易地。市内有各种分类明确的宝石市场。比如有的交易还未打磨的原石，有的只做猫眼生意。不过这里最出名的还是蓝宝石与红宝石，它们是宝石王国中的国王与王后。是什么意思？

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Be the main city economy with the precious stone trade to pay the pillar to pull especially that 普 , is a biggest precious stone of Sri Lanka to trade the ground.There is various precious stone market with explicit classification in the city.The bargain that for example have has not yet beat grindin

By the gem trade took main urban economy prop rutter that Pu, is the Sri Lankan biggest gem transaction place.Local has each kind of classified explicit gem market.For instance some transaction polish original stone, some only has not done the cat eye business.But here most famous sapphire and the r

Gem trade LVL it using the city as a major economic pillars, is Sri Lanka's largest gemstone trading. There are various classifications of clear gem market in the city. For instance, some transactions have not polished stone, some only do the cat business. But here is the most famous Sapphire and Ru

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