| 单词 | pole-paper |
| 释义 | > as lemmaspole-paper pole-paper n. rare = pole-finding paper n. ΚΠ 1926 Gloss. Electr. Terms (Brit. Engin. Stand.) 120 Pole-paper, pole-finding paper, a porous paper soaked in certain chemicals which undergoes a visible change when moistened and applied to the positive and negative poles of an electric circuit, thus serving to identify them. < as lemmas |
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