开通热线服务电话；
开通后的第一个月，该热线没有接到一个来自家政人员的电话。
In the first month it did not receive a single call from a domestic worker.
这个广播电台开通了观众热线。
开通技术交流热线，专业解答有关热处理及各种钢材问题。
Opening technical exchange hotline, professional answer about heat treatment and all kinds of steel issues.
该部也将开通一部社会投诉热线。
A public hotline will also be set up to deal with complaints.
该部也将开通一部社会投诉热线。
A public hotline will also be set up to deal with complaints.
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