Values less than -1 flip the object and increase its height.
小于- 1的值可对物件进行翻转并增加其高度。
Use of ladders or makeshift devices on top of scaffold to increase its height or to provide access from above is prohibited.
禁止在脚手架的顶部使用梯子或临时设备来增加脚手架的高度或者供人从上部进入的通道。
Use of ladders or makeshift devices on top of scaffold to increase its height or to provide access from above is prohibited.
禁止在脚手架的顶部使用梯子或临时设备来增加脚手架的高度或者供人从上部进入的通道。
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