Vector technology as a kind of new and developing technology in computer aided design &computer graphic,is widely used in CNPC and SINOPEC etc.是什么意思_Vector technology as a kind of new and developing technology in computer aided design &computer graphic,is widely used in CNPC and SINOPEC etc.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句