煤层厚度变化较大，总的规律是东厚西薄，局部分叉尖灭。

Generally it is thicker in the east-ern part, than in the western part and local offset and thin out.

youdao

煤层厚度变化较大，总的规律是东厚西薄，局部分叉尖灭。

Generally it is thicker in the east-ern part, than in the western part and local offset and thin out.

youdao