Warning: file_put_contents(/www/wwwroot/ppbbbu/n94.cn/cache/d41b48077daea2c85498c1a0fe568162.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/n94.cn/index.php on line 55 radioactivity prospecting是什么意思，radioactivity prospecting的翻译，radioactivity prospecting音标、读音、用法和例句_94生活常识网有道词典
To resolve the problem, it is necessary to ascertain the origin of radioactivity with geological prospecting as the first step. 要从源头上解决建材放射性超标的问题，必须查清其中放射性的来源，并从地质勘查抓起。