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关注：1
2013-05-23 12:21
求翻译：单一长梯放置角度以60至75度为宜，当人站在梯子处离地面超过2米时，必须使用防跌落用品。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
单一长梯放置角度以60至75度为宜，当人站在梯子处离地面超过2米时，必须使用防跌落用品。
问题补充： |
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2013-05-23 12:21:38
Long ladder to place a single point to 60 to 75 degrees is appropriate, when the person standing at the ladder more than 2 meters above the ground must be used when anti-drop supplies.
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2013-05-23 12:23:18
A single long ladder placed perspective for 60 to 75 degrees Celsius is desirable, when a man stood on the ladder from the ground must be used when more than 2m anti-falling supplies.
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2013-05-23 12:24:58
Sole long ladder laying aside angle take 60 to 75 degrees as suitable, when the human stands when the ladder place surpasses 2 meters to the ground, must use guards against the depreciation thing.
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2013-05-23 12:26:38
Single ladder placed angle 60-75 of suitable, when standing on a ladder at more than 2 feet from the ground, fall arresters supplies must be used.
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2013-05-23 12:28:18
Sole long ladder laying aside angle take 60 to 75 degrees as suitable, when the human stands when the ladder place surpasses 2 meters to the ground, must use guards against the depreciation thing.
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