Warning: file_put_contents(/www/wwwroot/ppbbu/bieo.cn/cache/8e689e206c3d74b00a7a22a903715452.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/bieo.cn/index.php on line 58 jamesonite例句_jamesonite英汉例句_jamesonite双解例句_衣物护欧路词典
The effect of small molecule organic depressors of various structures on the floatability of jamesonite and christophite was studied. 研究了不同结构的小分子有机抑制剂对脆硫锑铅矿和铁闪锌矿可浮性的影响。