pole-finding paper
noun
Impregnated paper which can be used to identify the sign of an electric terminal or the like by the change of colour it undergoes when brought into contact with the terminal.
Origin
Early 20th century.
| 单词 | pole-finding paper |
| 释义 | pole-finding papernoun Impregnated paper which can be used to identify the sign of an electric terminal or the like by the change of colour it undergoes when brought into contact with the terminal. Origin |
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