Xov xwm tuam txhab

Bearings yog cov khoom siv thiab cov khoom tseem ceeb hauv cov cuab yeej siv tshuab, thiab kev siv cov bearings kuj yog qhov dav heev. Txhawm rau k...

Cov kabmob me me npaum li cas? Nws yog hais txog ib kab sib sib zog nqus groove pob bearing nrog ib txoj kab uas hla ntawm tsawg dua 10 mm. Yog li ...

Tus yuam sij rau cov kabmob siab siab yog los txiav txim siab qhov tseeb ntawm kev sib hloov ntawm tus ncej mus rau qhov chaw txhawb nqa. Qib 0: Fe...