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关注：1
2013-05-23 12:21
求翻译：用木板全封闭；短边超过1.5m长的洞口，除封闭外四周还应设有防护栏杆。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
用木板全封闭；短边超过1.5m长的洞口，除封闭外四周还应设有防护栏杆。
问题补充： |
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2013-05-23 12:21:38
The use of timber is completely closed; short side more than 1.5m long hole, and should also be equipped with protective railings around the addition to the closed outer.
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2013-05-23 12:23:18
With a Board-wide; a short closed edge more than 1.5m long cave, closed out the week 4 should be equipped with protective railings.
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2013-05-23 12:24:58
正在翻译，请等待...
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2013-05-23 12:26:38
正在翻译，请等待...
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2013-05-23 12:28:18
正在翻译，请等待...
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