?钉距
A lot of practical experience is rich in the trade of the current guobiao emphasized the following problems: a seemingly minor some descriptive, non-quantitative requirements such as a standard requirement for box-type ” “ “ nail fangzheng, ” and “ spacing uniform surface does not allow a clear breakdown and blotof ”, ” “ suites, and more accurately how called “ “ fangzheng ”, nail margin ” “ how to, and even the iwop ” “ obvious ”, suites in how many reinforencenment of the iwop range, and so on, ” “ accurate examination no unified quantitative standards, there are great people as factors, ecial is when you receive the quality dispute, you cannot make a determination of fair and reasonable.