man-made source
man-made source
[石油英汉词典]
man-made sourcen.人工放射源
是什么意思,man-made source的解释,man-made source的翻译
[新英汉石油技术词典] man-made source
man-made source
[石油英汉词典]
man-made source是什么意思,man-made source的解释,man-made source的翻译
[新英汉石油技术词典] man-made source