The forming technics of a small round angle cylinder is analyzed. Adopting once punching process and using fewer cost and worse plasticity leftover material finish twice drawing of compound die.是什么意思_The forming technics of a small round angle cylinder is analyzed. Adopting once punching process and using fewer cost and worse plasticity leftover material finish twice drawing of compound die.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句