Guard iṣinipopada awo
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Ṣọ iṣinipopada awo ati MS corrugated paali
Ni akọkọ fọọmu ti ologbele-irin guardrail, o jẹ a corrugated irin guardrail awo splicing kọọkan miiran ati ni atilẹyin nipasẹ awọn iwe lemọlemọfún be.O ni agbara to lagbara lati fa agbara ijamba