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关注:1
2013-05-23 12:21
求翻译:参观学习了煤气生产的工艺流程设备和该厂的污水处理站是什么意思?![]() ![]() 参观学习了煤气生产的工艺流程设备和该厂的污水处理站
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2013-05-23 12:21:38
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2013-05-23 12:23:18
A study tour of gas production technics equipment and the factory's sewage treatment plant
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2013-05-23 12:24:58
The visit has studied the coal gas production technical process equipment and this factory water disposal plant
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2013-05-23 12:26:38
Visit the gas production process equipment and the factory's wastewater treatment plant
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2013-05-23 12:28:18
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