发布时间:2025-02-06 11:35:01
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.
我租的单间在家里烧饭烧饭会有油烟然后我的电脑主机和烧饭的地方就隔了一米多两米不到这样子烧饭的
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