10米全分式变台引线横担选用的规格型号()A、∠63×6,3000mmB、∠63×6,2100mmC、∠63×6,600mm

题目

10米全分式变台引线横担选用的规格型号()

  • A、∠63×6,3000mm
  • B、∠63×6,2100mm
  • C、∠63×6,600mm

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