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Its system consists of two silos filled with a pulverised rock such as gravel.
该系统由两个筒仓构成，每个筒仓装满磨碎的岩石，例如砂砾。
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The pool has a river rock bottom and is filled with thermal spring water.
池有河岩石底部并且充满热的春天水。
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The pool has a river rock bottom and is filled with thermal spring water.
池有河岩石底部并且充满热的春天水。
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