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BP序列全向边均衡螺纹减压阀
面议劳模GT A20输油泵
面议劳模GT A70输油泵
面议劳模GT A115输油泵
面议Bestouch UV/IR多种适应型紫外线红外线火焰探测器
面议Bestouch UV工业锅炉干燥炉燃烧探测用紫外线火焰探测器
面议Bestouch UV/IR拥有自我诊断功能的紫外线红外线复合型火焰探测器
面议Bestouch Triple IR3误报率*低的人工智能型远距离IR3火焰探测器
面议Bestouch UV紫外火焰探测器
面议Bestouch UV/IR紫外红外复合型火焰探测器
面议RFD-3000 IR3三频红外火焰探测器
面议RFD-2000X UV/IR紫外红外火焰探测器
面议The Head Space Sampler, together with an analyzer, obtains vapor headspace of samples. The collection process may involve removing gases from the top of the sample bottle, heating the sample until it reaches a boiling state and collecting the vapor, or bubbling a carrier gas through the sample. The headspace sample is then sent to the analyzer for analysis.