industrial hall warehouse has a side door at a steep staircase with high resistance even under heavy load galvanized steel floor grate and railings. expanded metal edges of stairs of safety yellow
ID: 2111996243
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- 大图:3519 × 2346 像素·29.79 cm × 19.86 cm·300dpi·JPG
- 中图:1000 × 667 像素·35.28 cm × 23.53 cm·72dpi·JPG
- 小图:500 × 334 像素·17.64 cm × 11.78 cm·72dpi·JPG