Nyob rau hauv lub ntiaj teb xav tau ntawm mining, cov cuab yeej kev ntseeg siab yog qhov tseem ceeb. Gearboxes, cov khoom tseem ceeb hauv cov tshuab mining, yuav tsum tiv taus cov khoom hnyav, siab torque, thiab hnyav ua haujlwm. Ib qho tseem ceeb ntawm kev ua kom lub cev muaj zog thiab ua haujlwm tau zoo yog qhov tsim ntawm cov iav bevel lawv nrog ...
Nyeem ntxiv