Peb lub tuam txhab tau nyob rau hauv caij nplooj ntoo hlau xaim lag luam ntau tshaj kaum xyoo, peb yog cov kev paub thoob ntiaj teb, kev ua haujlwm, thiab peb tau
Cov tshuaj lom neeg cov tshuaj lom neeg ntawm SWRH82B (-2 / -2 / -2) steel rau prestressed steel hlau strand yog ncaj qha rau nws cov khoom siv lub cev zoo nkauj thiab cov kws kho tshuab.
Tus SWRH82B (-1 / -2 / -3) Hlau rau Prestressed Steel Hlau Hlau Strand Muaj lub zog siab, kev ua haujlwm zoo, uas tuaj yeem ua tau raws txoj hlua khi ntawm prestressed
Cov nqi, ua tus nqi ntawm cov xov hlau prestressed steel hlau thiab cov strands tsim nyog dua.
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