Malonda a LAC-China anali okhazikika bwino mu 2020. Izi ndizodziwikiratu, popeza LAC GDP idatsika kuposa 7 peresenti mu 2020 malinga ndi kuyerekezera kwa IMF, kutaya kukula kwazaka khumi., ndipo malonda akumayiko ena adatsika (United Nations 2021).Komabe, chifukwa cha malonda okhazikika ndi China mkati mwa kugwa kwachuma kotereku, malonda a LAC akuyenda ndi China adakula mpaka kuwonetsa kuchuluka kwa GDP.
Kutumiza kwa malonda a LAC kupita ku China kudakwera pang'ono kuchoka pa $ 135.2 biliyoni kufika pa $ 135.6 biliyoni, ndipo malonda aku China kupita ku LAC adatsika pang'ono kuchokera pa $ 161.3 biliyoni mpaka $ 135.6 biliyoni.$ 160.0 biliyoni.Koma pamene GDP ya dera la LAC idatsika kwambiri, zogulitsa kunja ndi zogulitsa kunja zidakwera kwambiri monga peresenti ya GDP, ndipo ndalamazo zinakula pang'ono, kuchokera ku 0.5% kufika ku 0.6% ya GDP yachigawo.
Malonda akuwoneka kuti awona zotsatira za kusakhazikika kwamitengo yazitsulo pomwe chuma cha padziko lonse chikuyenda bwino komanso chikoka cha China pakumanga chikuchepa.Ngakhale mitengo yachitsulo idakwera mu 2020, The Economist Intelligence Unit ndi World Bank akuyembekeza kuti mtengo wachitsulo udzatsikanso m'zaka zikubwerazi, pomwe chiyembekezo chamkuwa chili ndi chiyembekezo.Iyi ndi nkhani yabwino yotumiza kunja kwa makina opangira migodi kuchokera ku China kupita ku Latin America, makamaka zida zoboola.Kampani yathu ya Hebei Gimarpal Machinery Technology Co., Ltd. ndi yapadera pakupanga ndi kutumiza kunja zida zobowolera migodi ndi fakitale yathu, monga taper bar, ulusi wopindika, chisel bit, batani pang'ono.Chifukwa chake, 2021 ikhala mwayi watsopano.
Makina opitilira mphamvu amtundu wa volumetric hole pansi, omwe amatchedwa screw drill.Chobowola wononga, chomwe chimagwiritsa ntchito matope ndi madzi oyera ngati sing'anga yamagetsi, chimatengedwa kupita pansi pa dzenje kudzera pabowo lapakati la ndodo yobowola, ndipo kwenikweni ndi chipangizo chosinthira mphamvu chomwe chimasintha mphamvu yamadzimadzi kukhala mphamvu yamakina. .Pobowola, chobowolacho chimayendetsa mwachindunji chubu chapakati ndi chobowola cholumikizidwa ndi shaft yoyendetsa pansi pa dzenje kuti izungulira.Chingwe chonse chobowolacho chimangogwiritsidwa ntchito ngati njira yotumizira zinthu zothamanga kwambiri komanso ndodo yothandizira torque ya pobowola, ndipo sichizungulira.Poyerekeza ndi kubowola wamba, kubowola zomangira kuli ndi zabwino zambiri, monga kuchepa kwambiri kwa ndodo zobowola komanso kuthamanga kwambiri.Ndicho chida chachikulu pobowola mabowo olunjika ndipo chakhala chikugwira ntchito pobowola.
Mu 1955, United States Christensen Mine Drilling Products Company inayamba kufufuza motengera mfundo ya Moinuo, ndipo inali yoyamba kuchita bwino mu 1964, yotchedwa "Dana Drill";Soviet Union idaphunzira bwino kubowola kwa "convex" kumayambiriro kwa zaka za m'ma 1970;China The Exploration Technology Research Institute of the Ministry of Mines idapanga bwino zobowolera zomangira kumayambiriro kwa zaka za m'ma 1980.Mayiko omwe apanga makina opangira ma screw mpaka pano ndi United States, Russia, China, ndi Germany.
Nthawi yotumiza: Apr-02-2021