| 单词 | switch base |
| 释义 | > as lemmasswitch base switch base n. (see quot. 1940). ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > circuit > device to open or close circuit > [noun] > insulating base switch base1940 society > occupation and work > equipment > machine > parts of machines > control(s) > [noun] > switch > base for switch base1940 the world > matter > physics > electromagnetic radiation > electricity > transmission of electricity, conduction > non-conduction, insulation > [noun] > substance or contrivance > parts of pole cap1884 pothead1901 switch base1940 grummet1942 1940 Chambers's Techn. Dict. 826/1 Switch-base, the insulating base on which a switch is mounted. 1967 M. Chandler Ceramics in Mod. World iv. 114 For telegraph or telephone insulation, as for domestic switch-bases, fuse-holders, bulb-sockets, and so on, almost any kind of insulating material will work. < as lemmas |
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