EFFECT OF USING SMALL AMOUNT OF LUBRICATING OIL AND COLD AIR COOLING ON THE QUALITY OF MACHINING SURFACE OF HIGH- SILICON ALUMINUM ALLOY是什么意思_EFFECT OF USING SMALL AMOUNT OF LUBRICATING OIL AND COLD AIR COOLING ON THE QUALITY OF MACHINING SURFACE OF HIGH- SILICON ALUMINUM ALLOY在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句