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| 单词 | contact-maker |
| 释义 | > as lemmascontact-maker contact-maker n. a contrivance for completing an electric circuit automatically. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > circuit > [noun] > complete circuit or path > device completing contact-maker1886 1886 Pall Mall Gaz. 25 Aug. 14/1 There are in each compartment two incandescent 16-candle power lamps. By the application of a contact maker, only one is lit at a time. < as lemmas |
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