veining的英语例句
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The molybdenum ore , is in Heman provinces, is in the altered rock cataclastic and veinlet belt.
河南某钼矿属蚀变破碎带——细脉带型钼矿床.
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The Dexing copper mine in Jiangxi Province is a porphyry copper ore field of veinlet - dissemi - nated type.
江西德兴铜矿是一个细脉浸染型斑岩铜矿田.
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