A na-eji nkụ egwu egwu egwu egwu ọwara
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A na-eji nkụ egwu egwu egwu egwu ọwara

Yichen na-etinyekarị aka n'ịrụ ndị na-egbutu ịgbà. A na-eji ndị na-egbu osisi Yichen eme ihe maka ngwa dị ka igwu olulu maka ịtọ ọkpọkọ, eriri ma ọ bụ mmiri mmiri, ịrụ ọwara na igwu ala m. Onye na-egbutu ịgbà dị ike na-enyekwa ohere dị elu maka ịkwatu na nrụzigharị nke ụlọ. Drum cutter eji egwu ọwara bụ otu n'ime ngwa a na-ahụkarị.

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Owuwu ọwara a na-abụbu ọnụ ọgụgụ kacha elu nke ọrụ owuwu, ma ihe owuwu na-esi ike. Tupu afọ 1960, a na-eji ngwakọta nke mkpọpu mmiri na ịgbawa agbawa wuo ọwara mmiri. Ọdịmma nke usoro a doro anya nke ọma, nchekwa nke mgbawa amaghị ama, oke mmetọ na-emepụta, na ọdịdị nke ọwara gbawara agbawa adịghị ahazi, nke enweghị ike ịchịkwa ya. Ka afọ 1960 gachara, ọkwa nrụzi ihe nrụzi ọwara abawanyela nke ukwuu, na iji ihe na-egbutu ịgbà gbanwechaala ụzọ mkpọpu na mgbawa nke ọwara.


Ọ bụ ihe a na-ahụkarị maka ndị na-egbu ihe a na-eji gwuo ọwara. Onye na-egbutu ịgbà nwere ihe owuwu nke ọma yana teknụzụ hydraulic na-eduzi ya. Ezé ndị na-egbu egbu na drum onye na-egbu ihe na-adaba n'elu ihe a na-ewu ma na-egbutu ala na okwute dị ka mkpịsị aka dị nkọ, na-enye usoro ihe owuwu ọhụrụ na nke akụ na ụba maka igwu ala ọwara. Mgbe ime ọwara ahụ bụ ájá, nkume sedimentary, na siltstone, ọsọ a na-egwupụta ihe kwa ụbọchị nke onye na-egbutu ịgbà bụ ihe dị ka mita 10, ọrụ igwe nri na-adịkwa elu nke ukwuu. Site n'enyemaka nke Yichen drum cutter, arụchara ọrụ owuwu nke ọwara n'ime ụbọchị 40, nke mere ka oge ọrụ ahụ dị mkpụmkpụ nke ukwuu.

Ihe nchịkọta dị ọkụ: A na-eji Drum Cutter na-egwupụta ọwara, ndị na-emepụta ihe, ndị na-ebubata ya, China, ụlọ ọrụ emebere na China, CE, Ogo, Nke dị elu, Zụrụ, Ahịa, Nkwupụta

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Biko Biko chere na ị ga-ajụ ajụjụ gị n'ụdị dị n'okpuru ebe a. Anyị ga-azaghachi gị na awa 24.