河北省宣化地区的高压麻粒岩带是非常具有研究意义的。

The high pressured granulite belts in the Xuanhua area of Hebei Province are very worthy of being studied.

youdao

河北省宣化地区的高压麻粒岩带是非常具有研究意义的。

The high pressured granulite belts in the Xuanhua area of Hebei Province are very worthy of being studied.

youdao