Gongleting spring emerges at the contact place between the dolomite of wumishan formation, jin system and the stratum of quaternary system and is an overflow spring.
公乐亭泉出露于蓟县系雾迷山组白云岩地层与第四地层接触部位，为溢出泉。
The article adopts a unique technology of "overflow sampling", which integrates with the technology of non-contact fluorescence spectrum and realizes on-line detection of oil-in-water.
采用独特的“溢流式采样”技术结合非接触式荧光光谱技术来实现水中油的在线检测，样品无需萃取、分离等预处理。
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