telephone primary center

机械英汉词典... ... telephone plug 电话塞子 telephone primary center 初级电话交换中心 telephone receiver 电话听筒 ...

Eveluation Template -... ... telephone operator 话务员 telephone primary center 电话主交换中弖 telephone receiver 收话器 ...

t z T... ... 电话网路 telephone network 电话主中心 telephone primary center 电话记录附件 telephone recording control ...