| 单词 | electrical contact |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔contact〕The camera's flash isn't working because the electrical contacts need to be cleaned.这架照相机的闪光灯不灵了，因为电路接头需要清理。韦氏高阶〔point〕An electrical contact, especially one in the distributor of an automobile engine.接触点：电触点，尤其是汽车发动机的配电器上的接触点美国传统〔transistor〕A small electronic device containing a semiconductor and having at least three electrical contacts, used in a circuit as an amplifier, a detector, or a switch.晶体管：一种小型电子装置，包含一个半导体和至少三个电接头并构成一个电路，用作扩音器、检波器或开关美国传统〔wiper〕Electricity A movable electrical contact, as in a rheostat.【电学】 接触电刷：变阻器等内部的活动电接触器美国传统 |
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