Their main advantage is that the measurement of the dimensions of workpieces can be made either by means of the dial indicator or by means of the micrometer head.是什么意思_Their main advantage is that the measurement of the dimensions of workpieces can be made either by means of the dial indicator or by means of the micrometer head.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句