A project of drilling and blasting no breed obstruction to boreholes for pass down rocks.
Abstract
For blasted rocks pass down boreholes no breed obstruction them, may be possible have many different projects. This paper bring out only one project, connecting with drilling and blasting works when enlarging mouths of these boreholes.
điểm /
đánh giá
Published
2017-02-04
Issue
Section
SCIENTIFIC ARTICLE