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1.The quick-break knifeswitch is designed to prevent accidents when cutting through thick materials.
快速切断刀开关设计用来在切割厚材料时防止事故。
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2. The quick-break knifeswitch is a crucial component of the safety system in the factory.
快速切断刀开关是工厂安全系统的一个关键组成部分。
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3.The quick-break knifeswitch was used to switch off the power during maintenance work.
快速切断刀开关被用来在维护工作期间关闭电源。