Txhawm rau kom muaj kev ua haujlwm zoo ntawm cov kav dej laminated, kev saib xyuas tsis tu ncua yog tsim nyog.
Ua ntej, tshuaj xyuas cov kav dej kom pom tseeb kev puas tsuaj, corrosion, thiab hnav. Thib ob, xyuas cov roj xau ntawm cov yeeb nkab txuas; yog tias pom muaj, hloov cov ntsaws ruaj ruaj lossis cov pob qij txha tam sim ntawd. Thaum kawg, tsis tu ncua ntxuav cov kav dej sab hauv kom tsis txhob muaj qhov sib txuam ntawm impurities thiab sediments, uas tuaj yeem cuam tshuam kev ntws.
Hauv cov ntsiab lus, cov kav dej laminated yog qhov tseem ceeb ntawm cov hydraulic kis tau tus mob. Lawv lub zog siab, hnav tsis kam, roj tsis kam, thiab siab -kub kuj ua rau lawv siv dav hauv ntau yam. Thaum siv, kev saib xyuas kom zoo yog qhov tseem ceeb kom ntseeg tau tias lawv cov haujlwm zoo li qub.
