大头哥 发表于 2023-6-19 19:17

吃咯夜饭没有各位！大家来猜猜这是安装的什么设备！

<!----><style type="text/css">html{font-size:375%}</style><link href="https://pic.app.jiuquhe.com/static/publish/css/style.css?v=1605251010499" rel="stylesheet" position="1" data-qf-origin="/static/publish/css/style.css?v=1605251010499"><!--    付费贴-->    <div class="preview_article ">            <!---->    <p>今天路过外环路看见地铁高架桥上在安装一些拱！晓不得是做什么用！我猜是隔音的！因为旁边很近的地方就是小区！你们觉得了？</p><p class="qf_image big noneditable" contenteditable="false"><img src="https://pic.app.jiuquhe.com/forum/20230619191723front2_0_249966_FpeZv_abb7yRH8bwoM37pHwBRQ1E.jpg?watermark/1/image/aHR0cDovL3BpYy5hcHAuaml1cXVoZS5jb20vd2F0ZXJfaW1nXzIwMjAxMjA3XzQzOC5qcGc=/dissolve/100/gravity/SouthWest" alt="" width="3472" height="4640" data-qf-origin="forum/20230619191723front2_0_249966_FpeZv_abb7yRH8bwoM37pHwBRQ1E.jpg?watermark/1/image/aHR0cDovL3BpYy5hcHAuaml1cXVoZS5jb20vd2F0ZXJfaW1nXzIwMjAxMjA3XzQzOC5qcGc=/dissolve/100/gravity/SouthWest" 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娇子大道 发表于 2023-6-19 19:34

隔音设备吧

轩辕 发表于 2023-6-19 20:50

接触网分线点

斩魄 发表于 2023-6-19 20:55

隔音设施

雁江水 发表于 2023-6-20 08:52

不知道，安装完才晓得

九五至尊 发表于 2023-6-20 11:27

不晓得哦

归来一闲翁 发表于 2023-6-20 12:43

不知道哟！

风雪夜归人 发表于 2023-6-20 16:41

隔音设备

封狼居胥 发表于 2023-6-20 16:56

隔音设备

落羽神恋曲 发表于 2023-6-20 17:59

隔音的
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查看完整版本: 吃咯夜饭没有各位！大家来猜猜这是安装的什么设备！