| 单词 | pillar |
| 释义 | pillar [`pil·ǝr] CIVIL ENGINEERING A column for supporting part of a structure. GEOLOGY 1. A natural formation shaped like a pillar. 2. A joint block produced by columnar jointing. 3. See <<stalacto-stalagmite>> MINING ENGINEERING An area of coal or ore left to support the overlying strata or hanging wall in a mine. |
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