“二迭系”造句
2024年06月22日 09:49:35
隧道主要通过三迭系、
二迭系 紫红色 软质砂岩、泥岩岩层.
It passes mainly through the purple -- color soft sandrock and mudstone in Triassic or Dyas Systems.
准噶尔盆地西北缘五八区
二迭系佳木河组是含火山岩系地层,即火山岩和碎屑岩混积地层.
Jiamuhe formation along the northwestern margin of the Junggar basin is volcanic rock bearing stratum.