根据螺纹的标记“Tr36X6-8e~L”，可判断该梯形螺纹是外螺纹。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='24885' and id < 2124124 and id<>'2124124' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24885' and id > 2124124 and id<>'2124124' order by id asc limit 5