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Oil is geological new progress
Oil is geological it is an is born as activity of oil gas exploration technology, its since mankind is summed up with what distributinging rule knows to be being formed to oil gas in exploration, it is the academic weapon of activity of exp...
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The type of 7 kinds of disposition of diamond cut
Like having different nature as everybody, the diamond of different figure is accompanying different disposition trend likewise. The most classical the oldest also circular diamond disposition conservative, individual character is gentle. T...
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