名词
中文翻译：比例开关
同义词：
['ratio control', 'ratio adjustment', 'ratio switcher']
例句：
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1. The ratio switch on the oven can be adjusted to change the cooking time.
烤箱上的比率开关可以调整来改变烹饪时间。
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2.The ratio switch is responsible for maintaining the balance of the system.
比率开关负责维护系统的平衡。
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3. During power outages, we need to check the ratio switch to ensure that the system can resume operation smoothly.
在停电期间，我们需要检查比率开关以确保系统能够顺利恢复运行。