Cov Khoom Kawg
Tiv Tauj Peb
- Tsis Muaj 409, Renmin Sab hnub poob Txoj kev, Xinglong Chav tsev B Tsev, Chav 2, 10 Pem teb, 02-1}, Fuxing Cheeb tsam, Handan Nroog, Hebei Xeev.
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Three-waveform GuardrailThe corrugated beam guardrail is a common road safety facility with the following main functions
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Cov Yeeb Nkab Steel Guare Fwardrretretretr VajvoogRolling: Rau cov raj hloov cov raj xa khoom, muab cov hlau txiav lossis cov kab sib xyaw ua ke los ua ke kom ntseeg tau tias cov kev sib tw thiab kev ua tau zoo ntawm cov leeg puag ncig.
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