This requires the thermal insulation layer should have the ability of wind is.
这就要求外保温层应具备相当的抗风压能力。
Advantages: strong thermal stability, impact resistant ability is stronger.
优点:热稳定性强,抗冲击能力较强。
The thermal-detector is an electronic device which can measure the thermal conductance ability of gem, using to distinguish the jewelry.
热导仪是一种通过测定宝石热传导能力来鉴别钻石真伪的电子仪器。
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