The microcosmic structure of metal material directly influence to the capability and useful life of mechanism accessory. Metallography analyzing is the important means of controlling inhesion quality.是什么意思_The microcosmic structure of metal material directly influence to the capability and useful life of mechanism accessory. Metallography analyzing is the important means of controlling inhesion quality.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句