stone-coal的意思|示意

The technology experience of passing stone gate actual mining in combined mining thick coal seam and economic benefit in Xinan coal mine are introduced.

介绍了新安煤矿厚煤层综采跨石门回采的技术经验及取得的经济效果。

Nelson picked his way along the tunnel, stepping around piles of broken stone and lumps of coal tumbled like black dice across the dusty floor.

Nelson沿着隧道小心前行，绕过成堆的碎石和许多块像黒骰子般滚落到粉尘地上的煤炭。

The thermal insulation material of industrial kiln, with a higher compression strength and a lower thermal conductivity, is made mainly from stone coal cinder.

以石煤渣为主要原料研制的工业窑炉保温材料，具有较高的耐压强度和较低的导热率。

The machines use products out of sand, stone, coal ash, cinder, coal gangue, ore tailings, ceramic, perlite and other industrial wastes processed into a variety of new wall materials.

本机所出产品可采用砂、石、粉煤灰、煤渣、煤矸石、尾矿渣、陶粒、珍珠岩等工业废料加工成各种新型墙体材料。

Coal deposits, after all, are petrified peat swamps, and peat is made from decaying plants, which leave their imprints in mud and clay as it hardens into shale stone.

毕竟煤炭矿床本身就是石化的泥炭沼泽，而泥炭的成份是腐烂的植物。当粘土泥浆逐渐硬化成页岩石，腐烂的植物则在上面留下了它们的印记。

The stone coal is a coal resource that reserves in old stratum.

石煤是贮藏在古老地层中的一种煤炭资源。