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关注：1
2013-05-23 12:21
求翻译：On the average, a gallon of seawater contains about a quarter of a pound of salt. The beds of rock salt that are found in various parts of the world were all originally formed by the evaporation of seawater millions of years ago. It is believed that the thick rock-salt deposits were formed after about nine-tenth of the是什么意思？ 待解决
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On the average, a gallon of seawater contains about a quarter of a pound of salt. The beds of rock salt that are found in various parts of the world were all originally formed by the evaporation of seawater millions of years ago. It is believed that the thick rock-salt deposits were formed after about nine-tenth of the
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2013-05-23 12:21:38
平均而言，一加仑的海水含有约一斤盐四分之一。在世界各地发现的岩盐，病床原本都是由百万年前的海水蒸发形成。据认为，厚的岩盐矿床形成后约九十分之一的海水量已蒸发。大多数商业盐是从盐岩。通常的方法是打井的盐层。纯粹的“水被泵通过管道。溶于水的盐和被迫通过另一个管道表面。
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2013-05-23 12:23:18
在平均,一加仑的海水中含有大约四分之一磅的盐。 石盐的病床,发现在世界各地区的所有本来已形成的蒸发海水的数百万年前。 据认为,厚的岩石盐存款后形成约九十的数量的海水蒸发了。 most商业盐是获得从石盐。 通常的做法是将钻水井下到盐病床。 纯粹的“水下泵抽通过管道。
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2013-05-23 12:24:58
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2013-05-23 12:26:38
平均一加仑的海水包含一磅的盐的四分之一左右。在世界各地发现的盐岩床，原本被海水蒸发形成百万年前。它被认为形成厚厚的盐岩矿后约九第十卷的海水也已烟消云散。大多数商业盐盐岩从获得。通常的方法是打井
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2013-05-23 12:28:18
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