单词 | helical potentiometer |
释义 | helical potentiometer [`hel·ǝ·kǝl pǝ´ten·chē`äm·ǝd·ǝr] ELECTRICITY A multiturn precision potentiometer in which a number of complete turns of the control knob are required to move the contact arm from one end of the helically wound resistance element to the other end. |
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