升、降、还原号可标在数字旁边，提示这些音程本身应该升或降。
Sharp, flat or natural signs may be placed next to numerals to indicate that these intervals themselves should be sharpened or flattened.
民升激光科技有限公司的CO2激光流水线飞行打标机是民升激光专为自动化行业开发的一款设备，能更好应用于生产流水线上飞行打标。
CO2 laser marking machine is the flight line people liters laser developed specifically for the automation industry, a device used in the production line to better flight marking.
民升激光科技有限公司的CO2激光流水线飞行打标机是民升激光专为自动化行业开发的一款设备，能更好应用于生产流水线上飞行打标。
CO2 laser marking machine is the flight line people liters laser developed specifically for the automation industry, a device used in the production line to better flight marking.
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