Erdwaermesondenbohrung01.JPG
Tetris L
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Erdwaermesondenbohrung01, Geothermal drilling rigs
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Erdwaermesondenbohrung01, Drilling of a borehole for a vertical geothermal heat exchanger, Drilling process for a Downhole heat exchanger. Furled tube in the foreground on the left.
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地熱掘削リグ
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Erdwaermesondenbohrung01、垂直の地熱熱交換器用のホアホアを掘削、ダウンホール熱交換器用の掘削プロセス。前景左側の管。
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heat exchanger drilling platform drill rig drilling rig geothermally