Hollow Structural Section: Specifications Of steel hollow section: Grade 302,304,316,430 Standard ASTM A312, ASTM A213 Surface hot rolled
WhatsApp: +86 18221755073Amirkabir Journal of Civil Engineering Amirkabir J. Civil Eng., 54(10) (2023) 739-742 DOI: 10.22060/ceej.2022.21082.7611 A numerial u of ieoone e in irookoo an oil uner ifferen raine
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WhatsApp: +86 18221755073In this research, the effect of forward speed at four levels (1.8, 2.3, 2.9 and 3.5 km/h), tillage depth at three levels (30, 40 and 50 cm) and wing at two levels (winged and no-winged tines) were …
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