An audiologist from the US donated sound testing equipment and trained DPF staff to use the equipment.
一名美国听觉矫治专家捐献了听力测试设备并培训了天津市残联人该设备;
An audiologist from the US donated sound testing equipment and trained DPF staff to use the equipment.
一名美国听觉矫治专家捐献了听力测试设备并培训了天津市残联人该设备;
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