Tus yuam sij rau kev hla yog ceev, uas yog khiav ceev, thiab ua kom tiav qhov kev sib tw ntawm kev ua kom nrawm.
Koj puas tseem nco qab thaum Liu Xiang yeej 110-meter hurdles ntawm 2004 Olympics?Nws tseem zoo siab los xav txog nws.
Kev sib tw hurdle pib hauv tebchaws Askiv thiab hloov zuj zus los ntawm kev ua si uas cov neeg yug yaj hla lub laj kab.Nws tau raug hu ua qhov chaw khuam siab thiab koom nrog cov txiv neej kev ua si.Cov teeb meem thaum ntxov yog cov laj kab tsis tu ncua.Tom qab ntawd tuaj faus railings, thiab tom qab ntawd cov ntoo-sawing sawv.Dhia hla tej yam teeb meem no yog qhov txaus ntshai, muaj feem cuam tshuam rau kev raug mob thiab cuam tshuam kev txhim kho ntawm kev sib tw khiav.
Yog li ntawd, thaum pib ntawm lub xyoo pua 20th, tau tshwm sim ib qho kev txav "orthogonal" hom teeb meem, uas txhawb txoj kev loj hlob ntawm kev siv technology hurdle.Hauv xyoo 1935, "L" zoo li lub teeb meem tau qhia, thiab qhov teeb meem yuav tig mus rau pem hauv ntej ntawm plaub kilograms ntawm kev quab yuam."L" zoo li tus qauv tsim nyog thiab muaj kev nyab xeeb dua, tau siv niaj hnub no.
Sqees harekev sib twkev nyuaj siabrau sawv daws.
* Qhov siab Adjustable, 5 ntu, 762,840,914,1000,1067 mm
Base yog qib siab aluminium square raj
* Crossbar High qib kis las ABS khoom
Post qib siab aluminium square raj
* Nto Anodized, ruaj, ib puag ncig tiv thaiv, tiv thaiv acid, tiv thaiv ntub
Tus tsim tawm:
Post lub sij hawm: Lub Xya hli ntuj-26-2021
