... grit 砂砾 deducting machine除锈机 degate打浇口 ...
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The machine induces an electrical circuit in the NFC device, which allows a short exchange of data to effect a transaction, such as deducting a fare from the stored value.
NFC设备内部发生电流感应，造成了影响交易的短时数据交换，比如从储蓄值中扣除某种费用。
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