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关注：1
2013-05-23 12:21
求翻译：a) the protection should be associated with an interlocking device when its opening does not enable access to the danger zone before the elimination of the risk;是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
a) the protection should be associated with an interlocking device when its opening does not enable access to the danger zone before the elimination of the risk;
问题补充： |
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