1. This is an addendum to the book.
    这是本书的附录。

1. 补遗：4) 合同技术条件(Specifications)包括图纸 (5) 双方代表共同签署的合同谈判会议纪要(Minutes of Meeting)或称合同补遗(Addendum) (6) 承包商前期所提交的技术建议书、商务文件及所附图纸 (7) 其他双方认为应作为合同文件的文件,

2. 齿顶高：齿侧间隙 backlash | 齿顶高 addendum | 齿顶圆 addendum circle

3. 齿顶高,齿顶：Adapter sleeve 紧固套,连接套 | Addendum 齿顶高,齿顶 | Addendum circle 齿顶圆

1. 补遗；附录
    An addendum is an additional section at the end of a book or document.

1. textual matter that is added onto a publication
    usually at the end

    Synonym: supplementpostscript