The stair treads were covered with rubber to prevent slipping.
楼梯踏板上覆盖着橡胶以防滑。
Extra heavy duty aluminum stair treads available upon request.
特重型铝楼梯板要求提供。
The stair treads were covered with rubber to prevent slipping.
楼梯踏板上铺了橡皮，以防滑跌。
The stair treads were covered with rubber to prevent slipping.
楼梯踏板上铺了橡皮，以防滑跌。
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