Anti-corrosion qhov project
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Anticorrosive xim txheej
Cov txheej txheem hnyav los tiv thaiv corrosion ntawm vinyl 901 thiab vinyl 907 suav nrog cov kab hauv qab hauv pem teb, phab ntsa, circulating pas dej, tu pas dej, ditches, khoom siv C-shaped hooks, steel qauv, thiab lwm yam. thiab alkaline media.
