| 单词 | wiper arm |
| 释义 | > as lemmaswiper arm wiper arm n. = sense 6 above. ΘΚΠ society > communication > telecommunication > telegraphy or telephony > telephony > telephone equipment > [noun] > exchange > exchange equipment private line1852 bank1884 call-disc1884 howler1886 trunk1889 multiple switchboard1891 rack1893 line switch1898 heat coil1900 relay rack1902 multiple1905 listening key1906 telharmonium1906 wiper1906 preselector1912 line finder1922 rank1924 routiner1928 keysender1929 uniselector1930 wiper arm1933 the world > matter > physics > electromagnetic radiation > electricity > voltage > electrical potential > [noun] > measurement of > instrument for > part of wiper arm1933 wiper1969 1933 K. B. Miller Telephone Theory & Pract. i. 2 The subscriber,..by sending the proper number of impulses over one of his line wires, could cause the wiper arm of his switch to step up to the row containing the contact of the line desired and then..to step around to engage the particular one. 1967 D. Eadie Introd. Basic Computer xv. 348 A full-fledged analog multiplier..can be constructed if we take the pot just described and drive the wiper arm with a servomotor. < as lemmas |
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