使用高效的红外线过滤器，最大限度降低工作区域和医生头部区域的温升。
The temperature rise of working area and doctor's head is reduced furthest by using highly effective infrared filter.
使用高效的红外线过滤器，最大限度降低工作区域和医生头部区域的温升。
The temperature rise of working area and doctor's head is reduced furthest by using highly effective infrared filter.
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