| 释义 |
gravity haulage gravity haulage[′grav·əd·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. |