Understand machining methods &equipment including: turning, milling, drilling, tapping, grinding, reaming, &boring for both in manual &N/C machines.是什么意思_Understand machining methods &equipment including: turning, milling, drilling, tapping, grinding, reaming, &boring for both in manual &N/C machines.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句