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Ku siffata post
Matsayin shine yawanci don bin AASHTO M180, GB-T 31439.1-2015 da ma'aunin EN1317.
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C siffar post
Don kauri daga cikin guardrail yafi ta 4.0mm zuwa 7.0mm ko bi abokan ciniki bukatar.
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H siffar post
Jiyya na saman yana da zafi tsoma galvanized, don bin AASHTO M232 da daidaitattun daidaitattun kamar AASHTO M111, EN1461 da dai sauransu.
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Matsayin siffar zagaye
An shigar da gidan a cikin filaye, don ɗaure da goyan bayan titin tsaro.Zai iya rage tasirin tasiri yayin da hatsarin ya karu.
