An external connection between the two electrodes to complete the circuit.
两个电极间有外部接线，以完成回路。
The utility model has the advantages of simple external connection equipment, low price, and convenient operation.
本实用新型外接设备简单，价格低廉，操作方便。
Objective To study rules of distribution of channels and collaterals in external connection with orifices and limbs.
目的：探讨外络于官窍肢体的经络配布规律。
The improved coil device has the advantages of convenient connection, external connection line saving and better security.
本实用新型具有接线方便、可节省外接线和安全性较好的优点。
The improved coil device has the advantages of convenient connection, external connection line saving and better security.
本实用新型具有接线方便、可节省外接线和安全性较好的优点。
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