PDF(299 KB)
COMBINED LOOSENING BLASTING WITH ORIENTED BLAST?ING TO EXCAVATE INTERFERENTIAL STONEWORKS
Zheng Darong
Journal of Railway Engineering Society ›› 1995, Vol. 12 ›› Issue (3) : 105-109.
PDF(299 KB)
PDF(299 KB)
COMBINED LOOSENING BLASTING WITH ORIENTED BLAST?ING TO EXCAVATE INTERFERENTIAL STONEWORKS
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