单词：electrical contact
electrical contact的用法和样例：
例句
- Electrical contact is maintained between the wiper and resistance element.滑臂与电阻器之间形成一个电接触点。
- Therefore it is neces sary to develop a new type silver base contact alloy.发展一种具有类似或超越银氧化镉合金性能无污染的新型银基电接触合金具有重要的社会经济效益。
- I do not recommend that you make the end plugs sloppily, but good electrical contact is not required.我不建议您草率结束插头制作，但良好的电气接触并不是必需的。
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