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关注：1
2013-05-23 12:21
求翻译：我国高速铁路接触网的各部件安装关键技术是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
我国高速铁路接触网的各部件安装关键技术
问题补充： |
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2013-05-23 12:21:38
Various parts of the catenary installation key technology in China
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2013-05-23 12:23:18
My high-speed railway network of contacts in the key technology components installed
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2013-05-23 12:24:58
The our country high-speed railroad meets various parts installment key technologies which touches the net
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2013-05-23 12:26:38
Various parts of the catenary installation key technology in China
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2013-05-23 12:28:18
China's high-speed railway catenary installation of all components of key technologies
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