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单词 PMBX
释义

Definition of PMBX in English:

PMBX

noun
Telephony
  • Private manual branch exchange.

Origin

1930s; earliest use found in Thomas Ernest Herbert (1875–1943).

Definition of PMBX in US English:

PMBX

noun
Telephony
  • Private manual branch exchange.

Origin

1930s; earliest use found in Thomas Ernest Herbert (1875–1943).

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更新时间:2025/1/14 11:50:35