差错露头和沟节的分析与 0.047 mm/a 和 1.1 米的平均排水量的最大的率在 Epipleistocene 的底部 paleosol 层上显示 0.2m6.0 m 的......

Coalfield fire is prevalent in the world, especially in China, but the main reason of the fire in the coalfield is not c......