SIB 605

piav qhia luv luv:

● tshwj xeeb tread compound thiab tsim nyog thaiv-groove piv tsim muab kev ua haujlwm zoo heev.

● Cov qauv tsim tshiab uas feem ntau yog adoptiong ib qho curvature sawb zawj ua tau raws li qhov xav tau ntawm lub kauj.Cov me me kab rov tav steel discs txhim kho qhov kev siv ntawm cov log sib txawv.

● Qhib lub xub pwg tsim txhim kho lub tshav kub dissipation ntawm log tsheb.

Scope ntawm daim ntawv thov

Regional - Txhua Txoj Haujlwm