Tawm ntawm tag nrho cov khoom siv ntawm lub tsheb lossis tsheb thauj khoom - suav nrog lub kauj tsheb, lub cav, thiab lub log - tej zaum qhov tseem ceeb tshaj plaws thaum nws los tiv thaiv kev sib tsoo hauv Philadelphia yog lub braking system. Qhov no yog qhov tshwj xeeb tshaj yog nyob rau hauv cov tsheb thauj khoom lossis tsheb laij teb, uas hnyav dua li cov tsheb ib txwm muaj, hnyav dua li kaum npaug ntawm cov neeg caij tsheb ib txwm muaj txawm tias khoob. Qhov hnyav ntxiv no ua rau nws nyuaj rau tus neeg tsav tsheb kom qeeb lub tsheb thauj khoom los yog coj mus rau qhov chaw nres tsheb kom tsis txhob muaj ib qhotsheb sib tsoo. Cov xwm txheej no, hmoov tsis zoo, muaj kev phom sij ntau dua rau cov tsheb uas raug ntaus dua li cov tsheb thauj khoom uas tsoo lawv: Raws li Insurance Institute for Highway Safety,97% ntawm cov neeg tuagnyob rau hauv tsheb sib tsoo nrog ib lub tsheb loj thiab lub tsheb tau tshwm sim hauv lub tsheb.
Qhov no ua rau lub tsheb nres nres qhov tseem ceeb dua.
Khoom siv | Xyoo | Hom khoom siv | Cov khoom siv xaiv | ENGINE FILTER | ENGINE OPTIONS |
Yam khoom naj npawb | BZL- | |
Sab hauv lub thawv loj | CM | |
Sab nraum lub thawv loj | CM | |
Tag nrho qhov hnyav ntawm tag nrho cov ntaub ntawv | KG | |
CTN (QTY) | PCS |