Cov yam ntxwv tseem ceeb ntawm YWZ4 Series Nruas Brakes:
- Siab Ntsuas Lub Peev Xwm: Tsim rau cov ntawv thov hnyav, ua rau lawv zoo tagnrho rau cranes.
- Kev ua tau zoo: Ua kom sawv khov kho txawm tias tsis muaj kev ntxhov siab lossis nquag siv.
- Qhov Kev Tsim Kho Ntev: Tsim los tiv thaiv cov chaw hnyav thiab cov khoom siv hnyav.
- Yooj yim txij nkawm: Tsim los rau ncaj kev tshuaj xyuas thiab kev pabcuam.
