Researches on the Chromium Plating for the Antiablation in the Internal Bore of Large Calibre Gun with High Pressure是什么意思_Researches on the Chromium Plating for the Antiablation in the Internal Bore of Large Calibre Gun with High Pressure在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句