在外贸、外事活动中普遍使用电传。我国很多涉外单位装有电传机，可以直接与有关国家和地区联系。 正式向外拍发电传时，一般遵循下列格式： 收方电传号 发方电传号 发电编号 发电时间 收方单位名称 发方单位名称 事由 电文 发方电传号 收方电传号 发电完毕时间 电传按时间收费 In foreign trade, foreign activities in the widespread use of telex. Many foreign units in our country are equipped with telex machines and can directly contact the countries and regions concerned. Formally send a telegram to the outside, generally follow the following format: Receipt Fax number Transmitter Fax number Power number Power generation Recipient Name of the unit Name of the sender The cause of the sender Fax number Fax number Fax number Power generation completed time Telex charges by time