目前被动式氚取样器在国外取得了广泛的应用，它是基于气体分子扩散或渗透原理采集空气中氚化水蒸汽（ HTO）样品的一种方法。
Presently, passive HTO samplers are being widely used abroad. It samples HTO in air based on the principle of gas molecular diffusion and permeation.
目前被动式氚取样器在国外取得了广泛的应用，它是基于气体分子扩散或渗透原理采集空气中氚化水蒸汽（ HTO）样品的一种方法。
Presently, passive HTO samplers are being widely used abroad. It samples HTO in air based on the principle of gas molecular diffusion and permeation.
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