天气预报 > 其他 > 螺丝怎样拧松
螺丝怎样拧松
更新时间: 2020-11-03 00:00:00  

螺丝逆时针方向拧松。螺丝是利用物体的斜面圆形旋转和摩擦力的物理学和数学原理,循序渐进地紧固器物机件的工具,是日常生活中不可或缺的工业必需品。如照相机、眼镜、钟表、电子等使用的极小的螺丝;电视、电气制品、乐器、家具等的一般螺丝;至于工程、建筑、桥梁则使用大型螺丝、螺帽。

关键词: 螺丝 怎样

螺丝怎样拧松相关经验

天气预报

最新推荐

页面:/news/view-2028502/ | 耗时:0.7108 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=2028502 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2028502 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2028502 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(129784,538385,127404,125103,112573,111491,107370,124253,2028502,121684,1055295,113027,1125500,117701,132048,122473,132957,129723,127283,138569,120097,120358,121951,1373766,122747,136803,1133147,1127521,1078477,111642) ORDER BY field (ArticleID,129784,538385,127404,125103,112573,111491,107370,124253,2028502,121684,1055295,113027,1125500,117701,132048,122473,132957,129723,127283,138569,120097,120358,121951,1373766,122747,136803,1133147,1127521,1078477,111642)