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Chapter 371 Emergency attendance
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Chapter 373 To save, or not to save?
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... the engineering department, took the elevator to the mine with a depth of about 370 meters to conduct temporary repairs and maintenance of mine passages, mining equipment and pipelines.
This is a coal mine with deep tunnels and dim light. After everyone arrived at the work area, the people from the engineering department temporarily divided groups for Uncle Jiu and the others, and began to inspect and maintain the tunnel in an old-generation-new way.
It is necessary to mention here ...
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