发布时间:2025-01-19 15:29:07
横杆。根据查询顺企网显示,消防训练塔爬梯时的横杠是横杆。梯子,是日常生活用具,是用两根长粗杆子做边,中间横穿适合攀爬的横杆,用作于爬高,梯子分为升降单梯和升降人字梯。
靴子有点开口了 用了502胶水黏住以后 把鞋面上弄到了 怎样可以去除掉...
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