At last, through studying the corresponding testing standard, a standard text for testing the thermal performance of evacuated air heater was put forward based on experiment.
最后本文在分析现有的集热器测试标准和实验基础上,建立了一个真空管空气集热器的测试标准文本文件。
Thousands of foreign nationals - many of them employed in the oil industry - continue to be evacuated from the country by air, sea and land.
数以千计的外国公民正通过海陆空的途径从利比亚撤离,他们中的大部分是在石油公司工作。
Ty was evacuated to a military hospital at Balad Air Base, where surgeons worked to save his life.
泰被送往巴拉德空军基地的一家军医院,那里的医生暂时保住了他的性命。
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