| 单词 | earth plate |
| 释义 | > as lemmasearth plate earth plate n. a metal plate buried in the earth or submerged in the sea so as to serve as an earth connection (as part of an earth return or as a safety feature). ΚΠ 1847 Brett & Little Compendium Improvements Electr. Telegraphs 22 An earth plate..which carries the current back by the conducting powers of the earth. 1870 Nature 5 May 12/2 All owners of important isolated stations should use earth-plates at sea, and at sea only. 1913 Times Engin. Suppl. 18 June 23/4 The writer has made experiments with a small transmitting set, using no antenna, but merely wires terminating in small earth plates. 1998 M. J. Heathcote & D. P. Franklin J & P Transformer Bk. (ed. 12) vi. 418 Earth plates are usually made of galvanized cast iron..or of copper... In small installations, driven mild steel pipes..are sometimes employed. < as lemmas |
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