| 单词 | contact block |
| 释义 | > as lemmascontact block contact block n. devices for the passage, conduction, or transmission of electric current by contact (see 1c). ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > transmission of electricity, conduction > connection, contact > [noun] > contact device faceplate1860 brush-form1872 contact piece1876 brush1883 contact brush1884 contact block1901 make-and-break1903 1901 L. M. Waterhouse Conduit Wiring 32 The contact block of the ceiling-rose. < as lemmas |
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