Seam blast

a blast made by putting the powder into seams or cracks of rocks.

seam blast

[′sēm ‚blast] (mining engineering) A blast made by placing powdered or other explosive along and in a seam or crack between the solid wall and the stone or coal to be removed.

随便看

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。