... gas cleaning equipment 气体净化设备 gas collecting bottle 集气瓶 gas control instrument 气体检测仪表 ...
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gas s collecting bottle 集气瓶
collecting gas bottle 集气瓶
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The head space bottle was used to be the instrument for diluting and collecting gas, which avoided errors form injection by hand and other factors;
顶空瓶作为气体稀释和采集的仪器，采用顶空自动进样方式，避免了手动进样时进样量、进样注射器等因素带来的误差；
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