Most hot lines are usually free, too.
通常大多数热线也是免费的。
Clearly, hot lines are no cure for the problem of drug abuse.
显然，连专线电话也无法解决“滥用麻醉品”的问题。
Our factory has domestic and advanced hot pressing plate production lines.
本厂拥有国内先进的热压板生产流水线。
Our factory has domestic and advanced hot pressing plate production lines.
本厂拥有国内先进的热压板生产流水线。
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