邯邢煤田煤系及其上覆地层中常有岩浆岩侵入体穿插。

There used to be igneous intrusions into coal measures and overlying strata in the Hanxing coalfield.

youdao

邯邢煤田煤系及其上覆地层中常有岩浆岩侵入体穿插。

There used to be igneous intrusions into coal measures and overlying strata in the Hanxing coalfield.

youdao