佛山復合管護欄加工定制 防撞河道橋梁護欄廠直銷
Foshan composite pipe guardrail processing custom anti collision river bridge guardrail factory direct sales
橋梁河道安全欄桿通過連接螺栓連接。
The bridge channel safety railings are connected by connecting bolts.
用連接件或者焊接直接與立柱卡接、螺栓 連接和連接件連接。
The column is directly clamped, bolted and connected by connectors or welding.
可邊安裝邊調整現場尺寸;
Adjust the field size while installing;