The technology of bending by bendable roller (BBBR) was introduced briefly.A finite element model of the process of BBBR was built by the general finite element program.是什么意思_The technology of bending by bendable roller (BBBR) was introduced briefly.A finite element model of the process of BBBR was built by the general finite element program.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句