pole tool
Mining
noun
1Each of a series of rods that can be linked together to support a drilling bit.
2A tool with the working end at the end of a pole, so that it can be operated at a distance from the work.
Origin
Late 19th century.
| 单词 | pole tool |
| 释义 | pole toolMining noun 1Each of a series of rods that can be linked together to support a drilling bit. 2A tool with the working end at the end of a pole, so that it can be operated at a distance from the work. Origin |
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