根据这些温度类，防爆保护设备设计的方式，通过表面点火是不可能的。
According to these temperature classes, explosion-protected equipment is designed in such a way that ignition by the surface is not possible.
根据这些温度类，防爆保护设备设计的方式，通过表面点火是不可能的。
According to these temperature classes, explosion-protected equipment is designed in such a way that ignition by the surface is not possible.
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