... toll call ==> 市外通话=>市外通话 toll call telephone ==> 长途电话机 toll center ==> 长途电话中心,长途电话总局,中央长途电话局=>集中局(电话网) ...
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telephone toll call 长途电话呼叫
TTC Telephone Toll Call 长途电话呼叫 ; 长途
ttc telephone toll call detail 长途电话呼叫
·2,447,543篇论文数据，部分数据来源于NoteExpress
Patients monitor themselves daily and call a toll-free telephone line to answer some simple questions about weight gain, swelling and breathing difficulties.
患者每天自行监测，可拨打免费电话就简单问题咨询，如体重增加，水肿和呼吸困难。
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Alternately, viewers could call in questions on an toll-free telephone line.
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