Khoebo ea thepa ea LAC-China e ne e batla e tsitsitse hantle ka 2020. Sena sea hlokomeleha ka bohona, kaha LAC GDP e theohile ho feta liperesente tse 7 ka 2020 ho latela likhakanyo tsa IMF, e lahlehetsoe ke kholo ea lilemo tse leshome., 'me thepa e rekisoang ea libaka e ile ea theoha ka kakaretso (United Nations 2021).Leha ho le joalo, ka lebaka la khoebo e tsitsitseng le China har'a ho putlama ha moruo ho joalo, khoebo ea LAC e phallang le China e ile ea hola ho fihlela maemo a rekotileng GDP ea tikoloho.
Thepa ea thepa ea LAC ho ea Chaena e eketsehile hanyane ho tloha ho $ 135.2 billion ho ea ho $ 135.6 billion, mme thepa ea China e romelloang kantle ho LAC e theohile hanyane ho tloha ho $ 161.3 billion ho ea ho $ 135.6 billion.$ 160.0 limilione tse likete.Empa ha GDP ea lebatooa ea LAC e theohile haholo, thepa e tsoang kantle ho naha le kantle ho naha e ile ea eketseha haholo joalo ka liperesente tsa GDP, 'me tekanyo e ile ea eketseha hanyane, ho tloha ho 0.5% ho ea ho 0.6% ea GDP ea libaka.
Kgwebisano e ka nna ya bona sephetho sa ho tswella ho hloka botsitso dithekong tsa tshepe ha moruo wa lefatshe o ntse o ntlafala le sephetho sa tlhohlelletso ya China mabapi le kaho e fokotseha.Leha litheko tsa tšepe li ile tsa nyoloha ka 2020, The Economist Intelligence Unit le Banka ea Lefatše li lebelletse hore theko ea tšepe e tla theoha hape lilemong tse tlang, athe tebello ea koporo e batla e le ntle le ho feta.Tsena ke litaba tse monate bakeng sa ho romelloa kantle ha lihlahisoa tsa mochini oa merafo ho tloha China ho ea Latin America, haholo lisebelisoa tsa ho cheka.Khamphani ea rona ea Hebei Gimarpal Machinery Technology Co., Ltd. e khethehile ho etsa le ho romela lisebelisoa tsa ho cheka merafo ka fektheri ea eona, joalo ka taper bar, threaded bar, chisel bit, button bit.Ka hona, 2021 e tla ba monyetla o mocha.
Mochini oa motlakase o ntseng o tsoela pele oa mofuta oa volumetric hole bottom, o bitsoang screw drill.The screw drill, e sebelisang seretse le metsi a hloekileng e le mochine oa matla, e fetisetsoa tlase ho lesoba ka lesoba le bohareng la rod ea ho phunya, 'me ha e le hantle ke sesebelisoa sa ho fetola matla se fetolang matla a khatello ea mokelikeli matla a mochine. .Nakong ea ho phunya, screw drill e khanna ka ho toba tube ea mantlha le karoloana ea ho phunya e hokahantsoeng le shaft ea koloi e ka tlase ho lesoba ho potoloha.Mohala oohle oa ho phunya o sebelisoa feela e le mocha oa ho fetisa mochine o sebetsang oa khatello e phahameng le molamu o tšehetsang torque ea counter ea drill bit, 'me ha e potoloha.Ha ho bapisoa le ho cheka ho tloaelehileng, ho phunya screw ho na le melemo e mengata, joalo ka ho fokotseha haholo ho roala ha melamu le lebelo le phahameng la ho phunya.Ke sesebelisoa se ka sehloohong sa ho cheka likoti tse lebisang 'me se bile le karolo tšimong ea ho cheka.
Ka 1955, United States Christensen Mine Drilling Products Company e ile ea qala lipatlisiso ho latela molao-motheo oa Moinuo, 'me e bile ea pele e atlehileng ka 1964, e bitsoang "Dana Drill";Soviet Union e atlehile ho ithuta "convex" screw drill mathoasong a lilemo tsa bo-1970;China The Exploration Technology Research Institute ea Lekala la Merafo e atlehile ho etsa li-screw drill mathoasong a lilemo tsa bo-1980.Linaha tse hlahisitseng li-screw drill ho fihlela joale li kenyelletsa United States, Russia, China le Jeremane.
Nako ea poso: Apr-02-2021