发布时间:2025-02-06 11:58:14
楼上的基本正确了.
单个吊环受的是纯拉力,负载能力是看螺纹的大小.两个时受的是拉力和剪应力.而最重要的是剪应力.因为受力区只是螺杆的横截面,比起受拉力的螺纹截面小多了.
浴室洗手台下面水管漏水 有图 大神能帮我看下该怎么办吗 就是这个黄色圈圈里标注的管壁上会流水 水
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