The company has tested its source particles in the lab, using a vacuum chamber and hot gases to simulate the conditions the pellets would encounter upon re-entering Earth's atmosphere.
这家公司已经在实验室里测试了源粒子，使用了一个真空房间和高温气体来模拟小球进入地球大气层的情况。
In order to eliminate the red scale on surface of hot rolled strip, the descaling and rolling experiments in lab and industrial trials were carried out.
为了解决热轧卷板生产中出现的表面红色氧化铁皮问题，进行了实验室除鳞热轧实验以及调整轧制工艺的工业性试验。
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