保持通信畅通并做好通讯记录。
Ensure effective communication and maintain complete log of communication.
这里边有工资收条、旅行记录、火车票据，一本小通讯簿。
Here were salary receipts, travel records, train tickets, a small address book.
复印任何写出来的通讯费用记录，并且记录下每一次电话通话。
Make copies of any written correspondence and keep notes about any phone conversations.
第二步：保存通讯费用记录。
高度集成；集保护、测量、控制、监测、通讯、录波、事件记录等多种功能于一体。
High integrated degree: incorporate protection, measure, control, monitor, communication, wave record functions etc. with event record.
高度集成；集保护、测量、控制、监测、通讯、录波、事件记录等多种功能于一体。
High integrated degree: incorporate protection, measure, control, monitor, communication, wave record functions etc. with event record.
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