公用交换电话网

gōng yòng jiāo huàn diàn huà wǎng

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Definitions

  1. 1. public switched telephone network
  2. 2. PSTN

Child Words of 公用交换电话网

交换
jiāo huàn

to exchange

公
gōng

public

公用
gōng yòng

public

换
huàn

to exchange

用
yòng

to use

网
wǎng

net

话
huà

dialect

电
diàn

lightning

电话
diàn huà

telephone

电话网
diàn huà wǎng

telephone network

交
jiāo

to hand over