switchboad

常見(jiàn)例句

• common-battery telephone switchboad
  共電制電話(huà)交換機(jī)
• switchboad metal-clad switchboad
  鎧裝配電磐
• private branch exchange switchboad
  小交換機(jī)
• central battery local switchboad
  共電式市內(nèi)交換機(jī)
• wired logic coutrolled switchboad
  佈控交換機(jī)
• traffic control telephone main switchboad
  調(diào)度電話(huà)縂機(jī)
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