thermostat bimetallic strip
thermostat bimetallic strip
恒温双金属条
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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It was he who perfected the kettle thermostat, the bimetallic strip which ensures our kettle switches off once it has boiled merrily for a few seconds, rather than boiling dry.
BBC: Inventing the basics