The fortification surrounded a water spring and is thought to have protected the ancient city's water source.
该防御工事围绕着一个泉水，被认为是为了保护古城的水源。
The characteristic of boron isotope system in Chaidan area was analyzed systematically, including brine, underground water, river water, spring, boron minerals and rock samples.
系统地分析了柴旦地区盐湖卤水及补给水的硼同位素组成特征。
Who made the rock into a water-spring, and the hard stone into a fountain.
他叫磐石变为水池，叫坚石变为泉源。
Who made the rock into a water-spring, and the hard stone into a fountain.
他叫磐石变为水池，叫坚石变为泉源。
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