垮落线与煤层走向是一定角度。

There is a certain angle between caving line and coal seam strike.

youdao

从个体的角度来看，悔恨是人们由知耻走向尚荣的心理转折点。

Remorse is the key point of process from the perspective of individuality.

youdao

从个体的角度来看，悔恨是人们由知耻走向尚荣的心理转折点。

Remorse is the key point of process from the perspective of individuality.

youdao