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Raki mai yawa don jiragen sama 4D
Shiryayyen ma'ajiyar kayan aiki mai hanyoyi huɗu galibi ya ƙunshi guntun rakkuna, ginshiƙan sub-channel, hanyoyin sub-channel, na'urorin sandar ɗaure a kwance, manyan ginshiƙan tashoshi, manyan hanyoyin tashoshi, Haɗin rakkuna da ƙasa, ƙafafu masu daidaitawa, ja-baya, raga masu kariya, tsani na kulawa. Babban kayan shiryayyen shine Q235/Q355, kuma kayan da aka yi amfani da su na Baosteel da Wuhan Iron and Steel an zaɓe su kuma an samar da su ta hanyar birgima mai sanyi.