Lub luag haujlwm thiab qhov tseem ceeb ntawm kev rov ua dua tshiab yog qhov tseem ceeb heev. Nyob rau niaj hnub no lub deteriorating ib puag ncig thiab tsis muaj peev xwm nce ntxiv, cov yas rov ua dua tshiab nyob hauv ib qho chaw. Nws tsis yog tsuas yog tsim nyog rau kev tiv thaiv ib puag ncig thiab kev tiv thaiv tib neeg kev noj qab haus huv tab sis kuj tseem ...
Lub luag haujlwm thiab qhov tseem ceeb ntawm kev rov ua dua tshiab yog qhov tseem ceeb heev. Nyob rau niaj hnub no lub deteriorating ib puag ncig thiab tsis muaj peev xwm nce ntxiv, cov yas rov ua dua tshiab nyob hauv ib qho chaw. Nws tsis yog tsuas yog tsim nyog rau kev tiv thaiv ib puag ncig thiab kev tiv thaiv tib neeg kev noj qab haus huv tab sis kuj tseem ...
Nrog rau kev txhim kho ntawm tib neeg txoj kev ua neej nyob, cov ntsiab lus ntawm cov khoom siv rov ua dua tshiab hauv cov khib nyiab hauv tsev tau nce, thiab kev rov ua dua tshiab kuj tseem txhim kho. Muaj ntau cov khoom siv rov ua dua tshiab hauv cov khib nyiab hauv tsev, feem ntau suav nrog cov ntawv pov tseg, pov tseg yas, pov tseg iav, ...
Yas, ua ke nrog hlau, ntoo, thiab silicate, tau raug hu ua plaub yam khoom loj hauv ntiaj teb. Nrog rau kev loj hlob sai ntawm daim ntawv thov thiab cov khoom tsim tawm ntawm cov khoom yas, qhov kev thov rau cov tshuab yas kuj tseem nce ntxiv. Nyob rau hauv xyoo tas los no, extrusion tau dhau los ua th...
Cov qhov zoo muaj qhov zoo ntawm kev ceev, zoo corrosion, muaj lub zog muaj zog, muaj zog tshuaj tiv thaiv, thiab kev ua tiav yooj yim. Yog li ntawd, nws ua lub luag haujlwm tseem ceeb hauv kev tsim kho kev lag luam, txhawb kev txhawb nqa ...
Raws li kev lag luam tshiab, kev lag luam yas muaj keeb kwm luv luv, tab sis nws muaj kev loj hlob sai heev. Nrog nws cov kev ua tau zoo tshaj, kev ua haujlwm yooj yim, kev tiv thaiv corrosion, thiab lwm yam ntxwv, nws tau dav siv hauv kev lag luam hauv tsev, tshuaj tshuab ...