发布时间:2025-02-02 00:01:45
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:
武林外传包大人那一段有个锦衣卫展堂他真的是太监还是故意欺骗无双
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