天气预报 > 数码 > m30螺距标准多少
m30螺距标准多少
更新时间: 2019-04-26 00:00:00  

M30标准粗牙螺距是3.5mm,M30标准细牙螺距是3mm。螺纹中的1/4、1/2、1/8标记是指螺纹尺寸的直径,单位是英寸。行内人通常用分来称呼螺纹尺寸,一寸等于8分,1/4寸就是2分,如此类推。螺距是沿螺旋线方向量得的,相邻两螺纹之间的距离。一般指在螺纹螺距中螺纹上相邻两牙在中径线上对应两点间的轴向距离。

关键词: m30 螺距 标准 多少

m30螺距标准多少相关经验

天气预报

最新推荐

页面:/news/view-1087341/ | 耗时:0.4312 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=1087341 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1087341 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1087341 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1239700,1084145,1530841,1108528,98783,3474635,2643268,84500,1111270,1230391,2887940,1117758,1115135,1109743,99053,586787,1224828,3240543,1824265,1111464,1121560,1097783,1232500,1223776,1102288,1897473,2496342,1245213,1236986,1242659) ORDER BY field (ArticleID,1239700,1084145,1530841,1108528,98783,3474635,2643268,84500,1111270,1230391,2887940,1117758,1115135,1109743,99053,586787,1224828,3240543,1824265,1111464,1121560,1097783,1232500,1223776,1102288,1897473,2496342,1245213,1236986,1242659)