Warning: file_put_contents(): Only 0 of 5112 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/oclz.com/index.php on line 55 Goldby例句_Goldby英汉例句_Goldby双解例句_菜篮子兴趣思朗文词典
Information from practical operation indicate that in exploration of water abundant placer goldby vibratory sampling drill, no representative rock sample could be collected. 实际施工资料表明;在富水性强的砂金矿勘探中;采用震动取样钻;无法获得有代表性的岩样.