Aluminum metering chamber,thread connection.Mechanical readout device with rotating wheels.subtotals an be set to zero,total readouts can not.是什么意思_Aluminum metering chamber,thread connection.Mechanical readout device with rotating wheels.subtotals an be set to zero,total readouts can not.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句