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关注：1
2013-05-23 12:21
求翻译：起重吊装作业安全技术事项是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
起重吊装作业安全技术事项
问题补充： |
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2013-05-23 12:21:38
Safe lifting operation on technical matters
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2013-05-23 12:23:18
Re-loading operation safety technical matters
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2013-05-23 12:24:58
Lifts heavy objects the hoisting operational security technology item
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2013-05-23 12:26:38
Lifting operation safety technology issues
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2013-05-23 12:28:18
Safety technology of lifting operation
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