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Thrie doo guardrail
Nchebe ahụ bụ isi iji soro AASHTO M180, GB-T 31439.1-2015 na ụkpụrụ EN1317. Ihe maka nke ahụ bụ Q235B (S235Jr mkpụrụ ike karịrị 235Mpa) na Q345B (S355Jr mkpụrụ ike karịrị 345Mpa). N'ihi ọkpụrụkpụ nke guardrail tumadi site 2.67mm ka 4.0mm. Elu ọgwụgwọ na-ekpo ọkụ tinye galvanized, na-eso AASHTO M232 na hà ọkọlọtọ dị ka AASHTO M111, EN1461 wdg The guardrail mere maka kewaa okporo ụzọ n'ime ... -
W doo nchebe
Nchebe ahụ bụ isi iji soro AASHTO M180, GB-T 31439.1-2015 na ụkpụrụ EN1317. Ihe maka nke ahụ bụ Q235B (S235Jr mkpụrụ ike karịrị 235Mpa) na Q345B (S355Jr mkpụrụ ike karịrị 345Mpa). N'ihi ọkpụrụkpụ nke guardrail tumadi site 2.67mm ka 4.0mm. Igwe na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ, ịgbaso AASHTO M232 na ụkpụrụ nha anya dịka AASHTO M111, EN1461 wdg. Nche nche nke emere maka kewaa okporo ụzọ na ...
