英语语法分析

Blasthole logging and supervision of blasthole sampling.

记录炮眼数据，并监督炮眼采样工作。

The technology problems of blasthole depth, cutting blasting, smooth wall blasting, and directional blasting is discussed.

文章对炮眼深度、掏槽爆破、光面爆破、定向爆破等技术问题进行了探讨。