求翻译：本质安全型触摸开关具有普通触摸开关没有的优点：零电压零电流开通功能，火线鉴别功能，而且价格比普通的便宜，非常有使用意义。是什么意思？

Intrinsically safe touch switch has the common touch switch is not the advantages: zero voltage and zero current provisioning capabilities, Firewire identification features, and price than the plain and cheap, very.

Intrinsically safe touch switch with normal touch switch of advantages: zero-voltage zero current opening feature, FireWire, and identifying features of the cheaper price than in ordinary use, it is very significant.

The essential security touching switch has touches switch no merit ordinary: Zero potential zero electric current clear function, firing line distinction function, moreover the price compared to the ordinary small advantage, has the use significance extremely.

Intrinsic safety benefits of touch switch has a common touch switch is not: a zero-voltage zero-current opening features, FireWire identification features and prices are cheaper than normal, meaning.

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