time-division switching system
电 时间分割制交换系统… Read the rest
电 时间分割制交换系统… Read the rest
计 分段开关, … Read the rest
a. 低调的, … Read the rest
*[‘pitʃblend]
n. … Read the rest
计 转接中心… Read the rest
计 应急开关… Read the rest
电 仪器开关… Read the rest
电 四点开关… Read the rest
电 宽频开关… Read the rest