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关注：1
2013-05-23 12:21
求翻译：机房地面上的开口应当尽可能小，位于井道上方的开口必须采用圈框，此圈框应当凸 出地面至少50mm。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
机房地面上的开口应当尽可能小，位于井道上方的开口必须采用圈框，此圈框应当凸 出地面至少50mm。
问题补充： |
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2013-05-23 12:21:38
Openings in the engine room on the ground should be as small as possible, the openings must be located above the shaft ring box ring box should protrude ground at least 50mm.
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2013-05-23 12:23:18
On the ground floor of the opening should be as small as possible, is located on wells road opening must be on the ring box with the ring box and the floor should be at least 50 mm .
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2013-05-23 12:24:58
In the engine room ground aperture must be as far as possible small, is located a well place above the aperture to have to use the circle frame, this frame must be raised Leaves ground at least 50mm.
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2013-05-23 12:26:38
Engine room openings on the ground should be as small as possible, opening must be located above the well ring box, this box should be raised at least 50mm.
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2013-05-23 12:28:18
正在翻译，请等待...
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