Hydraulic submersible slurry fifa
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YZQ jara eefun ti submersible slurry fifa
Eefun ti o wa ni isalẹ omi fifa fifa le ti wa ni iwakọ nipasẹ ohun excavator tabi a eefun ti motor. Wa pẹlu awọn eto 2-3 ti reamer hydraulic (aṣayan).