| 摘要 |
A filling tool is provided, for mating with an electrically conductive coupler having a tip extending therefrom. The filling tool comprises a housing, an electrically conductive valve stem disposed in and electrically isolated from the housing, and an electrically conductive contact extending from the valve stem that is biased and axially movable. An electrical circuit is completed through the filling tool and the coupler by contact between the tip of the coupler and the contact on the valve stem.
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