求翻译：目前大会议室的电话效果不适合召开电话会议，预定申请采购一台专业的话机，费用在6000-8000元之间，请审批。另外，随着人员的增加，会议频度在增加，申请一部投影仪，费用大约在3000元左右。是什么意思？

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目前大会议室的电话效果不适合召开电话会议，预定申请采购一台专业的话机，费用在6000-8000元之间，请审批。Moreover, along with personnel's increase, the conference frequency is increasing, applies for projecting apparatus, the expense approximately about 3000 Yuan.

Calls for large conference rooms results is not suitable for Conference calls, bookings for purchasing a professional phone, costs between 6000-8000, for approval. In addition, with the increase in staff, and frequency increase, applying for an overhead projector, cost around 3000 Yuan.

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