Mining and Geology. The inclination of a vein of ore or seam of coal from the horizontal; the dip or rise of a stratum, bed, etc.; spec. (a) the…
单词 | θ211952 |
释义 | society > occupation and work > workplace > places where raw materials are extracted > mine > [noun] > inclination of vein or seam (1) pitch1719 Mining and Geology. The inclination of a vein of ore or seam of coal from the horizontal; the dip or rise of a stratum, bed, etc.; spec. (a) the… |
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