卡斯尔曼希望在管道的一端建造一组太阳放大镜，将热量收集到充满水的管道上。

Casselman wants to build an array of solar magnifying mirrors at one end of the line to collect and focus heat onto water filled tubes.

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卡斯尔曼想要在管道的一端建造一组太阳能放大镜，收集热量并把热量集中到充满水的管道上。

Castleman wants to build an array of solar magnifying mirrors at one end of the line to collect and focus heat onto water-filled tubes.

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似乎最后一个是后来建造的，而前六组是更古老时代的遗迹。

It seems that the last is a later development while the first six groups show the relics of an older system.

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