pyrogenic rock

火成岩

1. 岩浆岩：pyrochlore 烧绿石 | pyrogenic rock 岩浆岩 | pyrolusite 软锰矿

2. 火成岩：pyrogenetic rock 火成岩 | pyrogenic rock 火成岩 | pyrogenous 火成的

pyrogenic rock在线翻译

1. Of or relating to rock so formed; pyrogenic.
    火成岩的，熔灰岩的按上述方法形成的岩石的，与之有关的；火成的

2. In the closed seam, the pyrogenic rock compressed and compacted the structure coal. There is a stress concentrated at the tip of the structure, which could provide the inner energy for the gas.
    火成岩对煤层挤压揉皱形成构造煤，同时构造尖灭端应力集中，提供了足够的瓦斯热力学能。