Kev saib xyuas ntawm cov roj rov qab lim dej yog qhov tseem ceeb rau kev ua kom nws cov haujlwm ib txwm ua thiab txuas ntxiv nws lub neej kev pab cuam.
Cov roj hauv cov tshuab hydraulic ua lub luag haujlwm tseem ceeb, nqa cov kev sib kis ntawm cov xov xwm siab thiab kev tiv thaiv ntawm lubrication Cheebtsam.
Hydraulic systems ua lub luag haujlwm tseem ceeb hauv ntau daim ntawv thov kev lag luam. Yuav kom tswj tau qhov kev ua haujlwm du ntawm hydraulic system, hydraulic roj lim yog ib qho ntawm cov khoom tseem ceeb.
Hydraulic lim caij yog ib qho tseem ceeb heev hauv hydraulic system, uas tuaj yeem lim impurities thiab cov pa phem hauv hydraulic roj, thiab tiv thaiv kev ua haujlwm ntawm hydraulic system.