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O khantša tšireletso
Thepa bakeng sa seo haholo-holo Q235B (S235Jr matla a lihlahisoa a feta 235Mpa) le Q345B (S355Jr matla a lihlahisoa a feta 345Mpa).
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Thrie beam guardrail
The guardrail haholo-holo ho latela AASHTO M180, GB-T 31439.1-2015 le EN1317 standard.
