free burning coal

同义词释义

1)free burning coal,易燃煤2)free-burning coal,易燃煤3)inflammable coal seam,易燃煤层4)free-burning coal,易燃煤种5)ultra-combustiable seam,极易燃煤层6)steeply dipping seam group with special thick and flammable,大倾角特厚易燃煤层群7)nasty-tilt to one side thick coal seam,急-倾斜特厚易燃煤层8)combustible,易燃9)flammable and explosive,易燃易爆10)flammable materials,易燃物质