Kutengeserana kweLAC-China kwekutengesa kwakada kugadzikana muna 2020. Izvi zvinoshamisa pachezvazvo, sezvo LAC GDP yakadonha inopfuura 7 muzana muna 2020 maererano nekufungidzira kweIMF, ichirasikirwa nekukura kwemakore gumi., uye zvedunhu zvekutengesa kunze zvakadonha zvakazara (United Nations 2021).Nekudaro, nekuda kwekutengeserana kwakadzikama neChina mukati mekuderera kwehupfumi, LAC kutengesa kwekutengesa kuyerera neChina kwakawedzera kurekodha mazinga edunhu GDP.
LAC inotengeswa kunze kwenyika kuChina yakawedzera zvishoma kubva pamadhora 135.2 bhiriyoni kusvika pamadhora mabhiriyoni zana nemakumi matatu nemashanu, uye kutengeswa kweChina kuLAC kwakadzikira zvishoma kubva pamadhora 161.3 bhiriyoni kusvika pamadhora mabhiriyoni zana nemakumi matatu nemashanu.$ 160.0 bhiriyoni.Asi sezvo GDP yedunhu reLAC yakaderera zvakanyanya, zvese zvinotengeswa kunze kwenyika uye kunze kwenyika zvakawedzera zvakanyanya sechikamu cheGDP, uye chiyero chakakura zvishoma, kubva pa0.5% kusvika 0.6% yedunhu reGDP.
Kutengeserana kungangoona mhedzisiro yekuenderera mberi kusagadzikana mumitengo yesimbi sezvo hupfumi hwenyika huchisimuka uye mhedzisiro yekurudziro yeChina pakuvaka ichidzikira.Kunyange zvazvo mitengo yesimbi yakakwira muna 2020, The Economist Intelligence Unit neWorld Bank vanotarisira kuti mutengo wesimbi uchadonha zvakare mumakore anotevera, ukuwo maonero emhangura ane tarisiro yakati wandei.Idzi inhau dzakanaka dzekutengeswa kunze kwenyika kwezvigadzirwa zvemichina yemigodhi kubva kuChina kuenda kuLatin America, kunyanya michina yekuchera.Kambani yedu Hebei Gimarpal Machinery Technology Co., Ltd. inyanzvi mukugadzira uye kutumira kunze maturusi ekuchera zvicherwa nefekitari yavo, senge taper bar, threaded bar, chisel bit, bhatani bhiti.Naizvozvo, 2021 ichave mukana mutsva.
Iyo inofambira mberi mhango mhando volumetric gomba rezasi simba muchina, unonzi screw drill.Iyo screw drill, inoshandisa madhaka nemvura yakachena senzira yemagetsi, inotakurwa kusvika pasi pegomba kuburikidza nepakati peburi rechibhorani, uye chakanyanya chinhu chinoshandura simba chinoshandura simba rekumanikidza remvura kuita simba remuchina. .Panguva yekuchera, screw drill inotyaira yakananga chubhu uye dhiri bhiti rakabatana nedhiraivha shaft pazasi pegomba kuti ritenderere.Chibooreso chese chinongo shandiswa semugero wekusvitsa wakanyanya-kumanikidza kushanda svikiro uye tsvimbo inotsigira torque yekaunda yechibhorani, uye haitenderere.Kuenzaniswa nekuchera kwakajairwa, screw drilling ine zvakawanda zvakanakira, senge yakaderedzwa zvakanyanya dhill rod kupfeka uye yakakwirira yekuchera.Ndicho chishandiso chikuru chekuchera makomba anotungamira uye chakaita basa mumunda wekuchera.
Muna 1955, United States Christensen Mine Drilling Products Company yakatanga tsvakurudzo yakavakirwa pamusimboti weMoinuo, uye yakave yekutanga kubudirira muna 1964, yakanzi “Dana Drill”;Soviet Union yakabudirira kudzidza “convex” screw drill mukutanga kwema1970;China The Exploration Technology Research Institute yeBazi reMigodhi yakabudirira kugadzira screw drills mukutanga kwema1980.Nyika dzakagadzira screw drills kusvika pari zvino dzinosanganisira United States, Russia, China, neGermany.
Nguva yekutumira: Kubvumbi-02-2021