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Зараз показуються 1-6 з 1
axial plasmatron (1) |
borehole (1) |
plasma (1) |
rock destruction (1) |
spallation (1) |
thermal reaming (1) |
axial plasmatron (1) |
borehole (1) |
plasma (1) |
rock destruction (1) |
spallation (1) |
thermal reaming (1) |