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世界金刚石主要生产国,前不久,布鲁塞尔的“交易回卢报”报道了当今金刚石主要生产国的金刚石年量变化情况,现提供如下:
The world’s major diamond producing country. Not long ago, Brussels’ “Ratchback Lux” reported on the changes in the annual quantity of diamonds in major diamond-producing countries. It is now provided as follows: