名词中文翻译
中文翻译：通常关闭的按钮开关
同义词：
['Normally Closed Switch', 'Normally Open Switch', 'Normally Closed Relay', 'Normally Closed Contactor例句：1. The normally closed switch is used to prevent the machine from starting in case of a power failure.（这个通常关闭的开关用来防止机器在电源故障时启动。）2. The normally closed switch is used to ensure that the circuit remains open until the door is opened.（这个通常关闭的开关用来确保电路保持打开状态，直到门被打开。）']
例句：
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1. The normally closed switch is used to prevent the machine from starting in case of a power failure.
这个通常关闭的开关用来防止机器在电源故障时启动。
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2. The normally closed switch is used to ensure that the circuit remains open until the door is opened.
这个通常关闭的开关用来确保电路保持打开状态，直到门被打开。
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3. The normally closed switch is used to prevent the machine from operating when the operator is not present.
这个通常关闭的开关用来防止机器在操作员不在场时运行。