天气预报15天查询> 其他> 两个平面的平行度怎么测量

两个平面的平行度怎么测量

更新时间: 2020-06-29 00:00:00     

平行度测量的具体方法如下:

1、用千分尺测出平面的高低值,即为两个平面平行度;

2、把基准面放在平板上,用表来测量另一面的值,即为两个平面平行度;

3、找三个不在同一直线上的点,分别测量两个面的距离,即为两个平面平行度。

关键词: 平面 平行 怎么 测量

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-1617367/ | 耗时:0.9658 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=1617367 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1617367 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1617367 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1118505,1047629,1078150,1065251,1087879,1085616,1086338,1063551,1085888,1076095,1079159,1070292,1066014,1048360,1079135,1078821,1077208,1066020,1049836,1086530,1087625,1086348,1056160,1062624,1065101,1058853,1373022,1074250,1064847,1045793) ORDER BY field (ArticleID,1118505,1047629,1078150,1065251,1087879,1085616,1086338,1063551,1085888,1076095,1079159,1070292,1066014,1048360,1079135,1078821,1077208,1066020,1049836,1086530,1087625,1086348,1056160,1062624,1065101,1058853,1373022,1074250,1064847,1045793)