铜硬钎焊散热器制造工艺技术的核心是无焊剂、无铅钎焊合金以及抗退火材料。
The key technology of radiator manufacture by Cup ro Braze is not necessary to use flux, kupper solder and annealing resistance mate rial.
一个经过很好退火的材料需要与水接触许多天。
A well-annealed material may require many days of contact with water.
通过对材料进行干燥和退火处理，科学家们移去了弱的结合水以使陶瓷纤维形成致密结构。
By drying and annealing the material, the scientists mainly remove weakly bound water to make the ceramic fibres form a denser structure.
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