名词
中文翻译：Unknown
同义词：
['safety lever', 'safety handle', 'safety switch']
例句：
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1.The safety lever on the door is a crucial component of the security system.
门上的安全杠杆是安全系统的关键组成部分。
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2.The safety handle on the emergency exit door is easy to operate.
紧急出口门的安全把手操作起来很容易。
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3. The safety switch on the alarm system prevents the alarm from going off accidentally.
警报系统的安全开关防止了警报意外触发。