Is it necessary to align a ring gage beofre the dia measurement.I have read somewhere that we dun need to make alignment for dia measurements.is it right?是什么意思_Is it necessary to align a ring gage beofre the dia measurement.I have read somewhere that we dun need to make alignment for dia measurements.is it right?在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句