It belongs to coal gas burning technology field, especially for long-distance ignition technology field.
属于煤气燃烧技术领域，尤其是煤气燃烧技术中的远距离点火技术领域。
Wangjiahe Gas Field is a typical nonconventional coal gas pool.
王家河气藏是一典型的、非常规的煤成气藏。
Wangjiahe Gas Field is a typical nonconventional coal gas pool.
王家河气藏是一典型的、非常规的煤成气藏。
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