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並前往https://books.google.com.tw/books?id=O55GAQAAIAAJ&pg=RA3-PA36&lpg=RA3-PA36&dq=pillar+pump&source=bl&ots=iyG0ttU-53&sig=ACfU3U02wnzL3C6qEIYGrIRpd-Hd2Gk93Q&hl=zh-TW&sa=X&ved=2ahUKEwj1wrz5q7L3AhUCMjUKHYVpCJIQ6AF6BQjcAhAD

Bulletin - 第 36 頁 - Google 圖書結果

The barrier pillar remaining is intact , and adjoining workings are first - mined and robbed . side of barrier pillar XIII . A pumping plant is situated at ...

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