| 单词 | contact-point |
| 释义 | > as lemmascontact-point contact-point n. the metal point which makes contact in a telegraphic-apparatus. ΘΚΠ society > communication > telecommunication > telegraphy or telephony > telegraphy > telegraph > [noun] > other parts of telegraphs electric wire1819 pecker1858 sounder1860 motograph1874 contact-point1879 phonopore1885 phonophore1886 separator1891 syntonizer1900 power buzzer1918 1879 G. B. Prescott Speaking Telephone (new ed.) 11 The position of this contact-point may be adjusted by means of a screw. 1884 Chambers's Jrnl. 25 Oct. 686/1 Iridium has been used..for..contact points for telegraphic apparatus. < as lemmas |
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