电话局容量的英文

• capacity of telephone exchange

• 电话局:    telephone exchange
• 容量:    volume; capacitance; capacit ...
• 电话局号线容量:    exchange lines capacity
• 终局容量:    end capacitance; long-term capacity
• 电话局:    telephone station; telephone exchange; telephone office 长途电话局 trunk exchange; long distance office