Cast tungsten carbide grains do not melt themselves and they adhere to the workpieces with the help of molten steel tubes and substrate metals.是什么意思_Cast tungsten carbide grains do not melt themselves and they adhere to the workpieces with the help of molten steel tubes and substrate metals.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句