PDF(1119 KB)
Design of distribution jet joint at inlet port of reverse circulation pneumatic DTH hammer and analysis of its structure parameters
LI Linghao, WANG Qingyan, FAN Liming, SHENG Jie, ZHONG Weiling
World Geology ›› 2024, Vol. 43 ›› Issue (2) : 299-307.
PDF(1119 KB)
PDF(1119 KB)
Design of distribution jet joint at inlet port of reverse circulation pneumatic DTH hammer and analysis of its structure parameters
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