If a telephone link to the CRO is used, TTY service or a similarly effective technology must be available so that persons with hearing impairments may readily communicate with the CRO.
如果投诉处理人使用电话，则也应该提供TTY(文本电话)服务或有类似效果的技术以方便听觉障碍的旅客联系投诉处理人。
If a telephone link to the CRO is used, TTY service or a similarly effective technology must be available so that persons with hearing impairments may readily communicate with the CRO.
如果投诉处理人使用电话，则也应该提供TTY(文本电话)服务或有类似效果的技术以方便听觉障碍的旅客联系投诉处理人。
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