hxc恒信彩

螺纹式声测管单价

发布日期：2021-03-17 08:42:17 来源于：新迈实业

螺纹式声测管单价
基桩施工单位必须高度重视和严格桥梁声测管埋设工作，杜绝桥梁声测管堵塞现象。内径不宜小于40mm，管壁厚不应小于3mm。上端加盖，管内无异物；...

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