Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/501dc0018d73a99eca5b3681cd9a83d0.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 jamesonite例句_jamesonite英汉例句_jamesonite双解例句_沉淀汉英词典
The effect of small molecule organic depressors of various structures on the floatability of jamesonite and christophite was studied. 研究了不同結搆的小分子有機抑制劑對脆硫銻鉛鑛和鉄閃鋅鑛可浮性的影響。