| 摘要 |
Equipments for excavating the underground with a kinetic energy transformer which changes vapor or gas having high temperature heat energy generated by the heating action of the electric power into kinetic energy and generates working fluid which excavates the underground by passing through the excavating underground. An underground excavator, a heat energy supply apparatus, an excavated materials removal apparatus are described. According to this invention the load factor of the electric plants can be improved by using the electric power in the night.
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