在塔中地区，影响平均速度的主要因素是地层埋深和火成岩的岩性。

In Tazhong Area, the main factor of impacting average velocity is the depth of stratum and lithology of igneous.

youdao

在塔中地区，影响平均速度的主要因素是地层埋深和火成岩的岩性。

In Tazhong Area, the main factor of impacting average velocity is the depth of stratum and lithology of igneous.

youdao