释义 |
coromant cut coromant cut[′kȯr·ə·mənt ‚kət] (mining engineering) A drill hole pattern; two overlapping holes about 2¼ inches (about 5.5 centimeters) in diameter are drilled in the tunnel center and left uncharged; they form a slot roughly 4 by 2 inches (10 by 5 centimeters) to which the easers can break. |