| 单词 | coal-blende |
| 释义 | > as lemmascoal-blende ΚΠ 1792 J. Hailstone Plan Lect. Min. 71 Petroleum with an earthy basis. 1. Stone Coal. 2. Coal blend. 3. Vegetable Coal. 1807 H. Davy in Philos. Trans. (Royal Soc.) 97 55 Where pyritous strata and strata of coal-blende occur. 1858 Geol. N. Amer. 107 Beds of coal-blende, accompanied by alum slate and black chalk, have been discovered in this formation on Rhode Island. < as lemmas |
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