Heavy Duty pressure gauges with bourdon tube and glycerine filling, Nominal sizes ND 63, connection position bottom, radial or back.是什么意思_Heavy Duty pressure gauges with bourdon tube and glycerine filling, Nominal sizes ND 63, connection position bottom, radial or back.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句