called exchange造句

例句与造句

1. local traffic consists of effective ( completed ) calls exchanged within the local charging area in which the calling party is situated
   本地话务量由本地收费区间内交换的有效（完成的）呼叫，呼叫方和应答方都位于此区间内。
2. It's difficult to find called exchange in a sentence. 用called exchange造句挺难的