external lineeksˈtə:nllain短语¹⁴⁴⁹⁷²⁺² 基本例句 外部线路; 外线 The external line hasn't registered into carrier network. The external line has registered into carrier network. 在此窗口，图标会有所不同，如果外线已经进入运营商网路或没有登记。023java It is indicates whether current external line is an attendant. 它指示当前的外线是否为自动话务员。023java