The inner spindle protrudesfrom the gear-box and contians a means for mounting various types ofchucks ,face plats ,and dog plates on it .是什么意思_The inner spindle protrudesfrom the gear-box and contians a means for mounting various types ofchucks ,face plats ,and dog plates on it .在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句