Model na daidaitattun dogo na Amurka sun kasu zuwa nau'i hudu: 85, 90, 115, 136. Waɗannan nau'ikan nau'ikan nau'ikan guda huɗu ana amfani da su a cikin layin dogo a Amurka da Kudancin Amurka.Bukatar a Amurka da Kudancin Amurka yana da fadi sosai.
Siffofin layin dogo:
Tsarin sauƙi ba tare da sadaukar da inganci ba
Karfi sosai
Rails suna da tsawon rayuwar sabis
Babban fa'idar aikace-aikace
Duk da haka, ya kamata a lura cewa daidaitattun layin dogo na Amurka yana da kunkuntar ƙasa kuma yana da sauƙi.Don haka, wadanda ke Amurka da Kudancin Amurka ana amfani da su a cikin jiragen karkashin kasa da jiragen kasa.
![Rail (11)](http://www.chinaroyalsteel.com/uploads/Rail-111.jpg)
![Rail (12)](http://www.chinaroyalsteel.com/uploads/Rail-122.jpg)
Adireshi
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Lokacin aikawa: Afrilu-15-2024