The mixture is then distilled in vacuo.
然后将混合物进行真空蒸馏。
The rats of vacuo-control group were killed after anesthetized excessively.
空白对照组为过深麻醉后直接处死；
The soldering qualities of radiating fin are increased by adding Mg spalls in vacuo soldering furnace.
通过跟踪试验，在真空钎焊炉内加入镁屑，解决了质量问题，提高了散热片的钎焊成品率。
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