The quartz glass plate having a large area can be utilized, in a light cleaning device, as a window partitioning a light source section and a cleaning chamber.
所述大面积石英玻璃片可用在光清洁设备中作为隔开光源部分和清洁室的窗口。
The quartz glass plate having a large area can be utilized, in a light cleaning device, as a window partitioning a light source section and a cleaning chamber.
所述大面积石英玻璃片可用在光清洁设备中作为隔开光源部分和清洁室的窗口。
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