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2013-05-23 12:21
求翻译：34.6.6.5 Provisional collective use ladders should be sized according to the flow of workers, with minimum width of 80 cm, intermediate level at least every two meters and ninety centimeters in height, width and length at least equal to the width of the stairs.是什么意思？ 待解决
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- 离问题结束还有
34.6.6.5 Provisional collective use ladders should be sized according to the flow of workers, with minimum width of 80 cm, intermediate level at least every two meters and ninety centimeters in height, width and length at least equal to the width of the stairs.
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