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大多数市话局模拟器可以模拟常规的挂机、摘机、拨号、应、通话等动作。
Most central office simulators can simulate normal on-hook, off-hook, dialing, answering, speaking, etc.
youdao
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大多数市话局模拟器可以模拟常规的挂机、摘机、拨号、应、通话等动作。
Most central office simulators can simulate normal on-hook, off-hook, dialing, answering, speaking, etc.
youdao