rope boring
noun
The boring of wells or shafts using a drill suspended and worked by means of a rope.
Origin
Mid 19th century; earliest use found in Warington Smyth (1817–1890), mining engineer and geologist.
| 单词 | rope boring |
| 释义 | rope boringnoun The boring of wells or shafts using a drill suspended and worked by means of a rope. Origin |
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