单词 | Kind-Chaudron process |
释义 | Kind-Chaudron process [`kint shō`drȯn prä·sǝs] MINING ENGINEERING A technique used to sink a large- diameter deep shaft; a pilot shaft of smaller diameter is first dug, then enlarged until the full diameter is reached; a lining with a moss box at the bottom is forced into place when water is found. |
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