| 单词 | gravity haulage |
| 释义 | gravity haulage [`grav·ǝd·ē ´hȯl·ij] MINING ENGINEERING A type of haulage system in which the set of full cars is lowered at the end of a rope, and gravity force pulls up the empty cars, the rope being passed around a sheave at the top of the incline. Also known as self-acting incline. |
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