Cov cheeb tsam roob feem ntau ntsib kev pheej hmoo ntawm pob zeb, yog li Passive rockfall tiv thaiv cov qauv tsim nyog los tiv thaiv tib neeg thiab cov chaw. Cov qauv no tsim ib qho kev tiv thaiv zoo los thaiv cov pob zeb ntog zoo. Lawv siv nyob rau hauv txoj kev loj, railways, thaj chaw nyob thiab factories. Hebei Xinjuyuan tsim cov khoom ruaj khov Passive rockfall tiv thaiv nrog lub zog thiab ruaj khov. Cov qauv siv cov khoom siv galvanized los tiv thaiv corrosion thiab txuas ntxiv lub neej kev pab cuam. Lawv muaj cov qauv tsim qauv rau kev teeb tsa sai thiab kev saib xyuas qis. Lub tuam txhab muab kev tsim qauv raws li qhov chaw nyob. Ntau qhov haujlwm xaiv cov qauv no rau kev tiv thaiv kev ruaj ntseg thiab kev siv nyiaj txiag.
Qhov tseem ceeb ntawm Passive rockfall tiv thaiv cov qauv hauv Roob Cheeb Tsam
Apr 29, 2026
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