Examples of this class include many of the rare or precious metals, strip or extruded shapes in base metals or alloys, some bearing metals, some hard or soft magnetic materials, etc.是什么意思_Examples of this class include many of the rare or precious metals, strip or extruded shapes in base metals or alloys, some bearing metals, some hard or soft magnetic materials, etc.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句