station to station calling的意思|示意
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英 / /
局间呼叫
station to station calling的网络常见释义
分机间呼叫 station line status display（分机线路状态显示） station to station calling（分机间呼叫） station to station calling-operator assistance（分机间呼叫–话务员协助） ..
station to station calling相关短语
1、 station to station calling-operator assistance 分机间呼叫–话务员协助