Mgbakuba nkume ụkwụ ikuku na-adabere na ikuku abịakọrọ iji kwọọ piston ka ọ zaghachi.N'oge ọrịa strok, piston na-akụ ọdụ ọdụ shank, na n'oge strok nlọghachi, piston na-ebugharị ngwá ọrụ a na-egwupụta ihe iji tụgharịa iji nweta nhịhịa na mkpọpu nkume.Ojiji nke igwe na-egwu mmiri hydraulic zuru ezu iji dochie ihe egwu egwu ikuku-ụkwụ bụ ihe a na-apụghị izere ezere na mmepe nke tunneling coal mine rock rock.Agbanyeghị, ka ọ dị ugbu a, ihe karịrị 90% nke ọwara okwute na-abụkarị site n'ịgba nkume ikuku-ụkwụ.Ngwunye nkume nke ikuku ụkwụ bụ ihe ejiri aka, ọkara mechanized (eji aka na-arụ ọrụ, akụrụngwa na-akpụ akpụ) nke nwere nnukwu ọnụọgụ na oke.Ọrụ ya na mmezi ya dị mma, ọnụ ahịa ya dịkwa ala.
Oge nzipu: Eprel-12-2021
