main-and-tail
Mining
adjective
Designating a single-track haulage system in which one rope (the main rope) is used to pull a set of loaded cars out of a mine, and a tail-rope is used to pull the empty cars back inside.
Origin
Early 20th century.
| 单词 | main-and-tail |
| 释义 | main-and-tailMining adjective Designating a single-track haulage system in which one rope (the main rope) is used to pull a set of loaded cars out of a mine, and a tail-rope is used to pull the empty cars back inside. Origin |
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