该类矿床的成矿时代多集中在晚太古代末至早元古代初期,并且具有全球性.This type of graphite deposits were formend in the Late Archaean to Early Proterozoic.冀东迁西洒河桥是太古代麻粒岩相变质岩系广泛出露的地区.Archaean era granulite facies metamorphite series are extensively outcrop...
Surely , surely, we have ransomed one another, with all this woe!确确实实, 我们已经用这一切悲苦彼此赎救了!They ransomed the kidnaped child with a great sum of money.他们用巨款赎出遭绑架的孩子.They ransomed the kidnapped child with 10,000 dollars.他们用一万元...