Steam m trace 蒸汽管道
In this paper a device of mercury atomizing steam generator is coupled with atomic absorption spectrophotometer, determination of trace mercury in feed by the cold atomic absorption spectroscopy.
本文使用汞原子蒸气发生装置与原子吸收仪联用，采用冷原子吸收光谱法测定饲料中的痕量汞。
The last trace of steam evaporated in the autumn air.
最后一丝蒸汽在秋天的空气蒸发掉。
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