发布时间:2025-01-27 05:23:38
张力式电子围栏的行业标准中就要求每个防区长度不应大于40米。
杆件安装技术要求-张力,防区起始段安装探测杆,末端安装受力杆,杆杆间距3~5米,转角位置安装转向杆;如图示:
框剪结构屋面梁wkl的锚固是如何计算的也就是梁的端支座是剪力墙一般墙都有23米长接头钢筋该怎样搭
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