English translation for "trial exchange"

试用电话局
试用交换局

Related Translations:

trials:  第6章顿顽国际公开队式赛代表队选拔赛考验游戏试玩

trial skills:  审判技能

interim trial:  临时试验

trial day:  审判日期

transition trial:  过渡飞行状态试验

trial visit:  试验调查

trial mix:  试拌和试和试验配合

handling trial:  操纵性试验

trial heat:  预赛

trial sale:  试销

Similar Words：

"trial employment" English translation, "trial employment period" English translation, "trial erection" English translation, "trial error" English translation, "trial excavator" English translation, "trial field" English translation, "trial final closure" English translation, "trial fire" English translation, "trial fire for velocity determination" English translation, "trial fire indicator" English translation