英 文 书 信Letter1.英文书信格式( 一) 英文书信的组成部分 信头（Heading ） 信内地址（Inside Address ） 称呼（Salutation ） 正文（Body of Letter ） 结束语（Complimentary Close ） 署名（Signature ）2. Mechanical Engineering Department Dalian University of Technology Dalian 116023 Liaoning,China November28,1999 Mr. WangXiming Mechanical Engineering Department Massachusetts Institute of Technology Cambridge, Mass. 02139 U.S.A. Dear Mr. Wang, Thank you for your letter of November 3,1999. I am sorry not to have written back earlier but time seems to
