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Galvanized Steel Strand Hlau
Galvanized steel strand hlau feem ntau yog hais txog cov tub ntxhais hlau lossis cov tswv cuab lub zog ntawm cov xaim xaim (tus txiv neej hlau). A. Cov hlua hlau tau muab faib ua plaub yam raws li cov qauv hauv seem. Qhia raws li daim duab hauv qab no qauv ...Nyeem ntxiv
