نتایج جستجو برای: boring

تعداد نتایج: 2882  

Journal: :Journal of the Mining and Metallurgical Institute of Japan 1962

Journal: :Proceedings of the Yorkshire Geological Society 1908

Journal: :PROCEEDINGS OF CIVIL ENGINEERING IN THE OCEAN 1995

Journal: : 2021

Different constructions of bars are analyzed in the article, all which based on idea creating prestressed state material. Improved construction bar is proposed for equable spreading elasticity zone along axis boring bar.

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