文档介绍：several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate size. Per-2~3 measuremen行顶格写。
Email开头结尾最好要有问候语
最简单的开头写一个HI, 中文的写个“你好〞或者“您好〞，开头问候语是称呼换行空两个写。
结尾常见的写个Best Regards,中文的写个“祝您顺利〞之类的。假设是尊长应使用“此致敬礼〞。 注意， 在非常正式的场合应完全使用信件标准格式，“祝〞和“此致〞为紧接上一行结尾或者换行开头空两格，而“顺利〞和“敬礼〞为再换行顶格写。
三、正文
Email正文要简明扼要，行文通顺。
假设对方不认识你，第一件应当说明的就是自己的身份，姓名或你代表的企业名称是必须通报的以示对对方的尊重，点名身份应当简明扼要，最好是和本邮件以及对方有关，主要功能是为了收件人能够顺利地理解邮件来意。
Email正文应简明扼要的说清楚事情，如果具体内容确实很多，正文应只作摘要介绍，然后单独写个文件作为附件进行详细描述。
正文行文应通顺，多用简单词汇和短句，准确清晰的表达，不要出现让人晦涩难懂的语句。最好不要让人家拉滚动条才能看完你的邮件。
注意Email的论述语气
根据收件人与自己的熟络程度、等级关系；邮件是对内还是对外性质的不同，选择恰当的语气进行论述，以免引起对方不适。
several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate size. Per-2~3 measurement, such as proceeds of c values are equal and equal to the design value, then the vertical installation accurate. For example a, b, and c valueswhile on horizontal vertical errors for measurement, General in iron angle code bit at measurement level points grid errors, specific method is from baseline to methyl vertical box center line distance for a,, to b vertical box distance for b, list can measured
several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate size. Per-2~3 measurement, such as proceeds of c values are equal and equal to the design value, then the vertical installation accur