The end of an old concrete pipe of large diameter protrudes from the ground above a ditch with a flowing small river with reinforced concreted banks. Road underground communications图片
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The end of an old concrete pipe of large diameter protrudes from the ground above a ditch with a flowing small river with reinforced concreted banks. Road underground communications
素材ID:1748030748

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  • 格式:JPG
  • 作者:Po
  • 最大分辨率:5456 x 3632px
  • 最大输出:46.19 x 30.75cm (300dpi) | 192.48 x 128.13cm (72dpi)

关键词

体系结构背景道路大型圆圈地下管道干燥城市通信流动逃生接地结束圆形排水管工业污水处理河流退出银行水泥圆形灰色行业开槽户外运河管道沟渠施工隧道污水钢筋无尽导管混凝土直径下水道摘要