应计费时间计数器 chargeable time counter ; CTC ChargeableTimeCounter
·2,447,543篇论文数据，部分数据来源于NoteExpress
JY型单路IP电话计费器是用于对电话用户的通话过程进行计时计费的计量器具。
JY-type single IP phone charging device is used to process phone users call timing and charging of the measuring instruments.
youdao
应用推荐
模块上移
模块下移
不移动