短語(yǔ)詞組短語(yǔ)coal accumulating basin 聚煤盆地mesozoic coal bearing basin 中生代含煤盆地coal -basin 聚煤盆地coal accumulation basin 聚煤盆地coal forming basin 含煤盆地giant coal bearing basin 超大型含煤盆地erosional coal accumulating basin 侵蝕聚煤盆地subsiding coal accumulating basin 坳陷型聚煤盆地 返回 coal basin