PDF(112 KB)
Grout Pressure and Density-Controllable Grout Injector ———A Study
QIAO Wei-guo, A V Ouglianitsa,V V Perchine
Mining and Metallurgical Engineering ›› 2003, Vol. 23 ›› Issue (3) : 1-3.
PDF(112 KB)
PDF(112 KB)
Grout Pressure and Density-Controllable Grout Injector ———A Study
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