英德
有道
百度
谷歌
图片
维基
百科
黑药 [hēi yào]
black powder
- 黑药和镁的混合物具有离析的倾向。
and magnesium have a tendency to segregate. - 研究了苯胺黑药在水口山矿务局康家湾矿选铅作业中的应用。
The application of phenylamine dithio phosphate to lead flotation in Kongjiawan, Shuikoushan Mining Bureau was researched. - 为了成功地实现铜的浮选，用黄药和黑药作捕收剂，硫化钠作活化剂。
in order to carry out flotation of copper successfully, xanthate and aerofloat are used as collectors and sodium sulfide as activator.
 |
 |
 |
 |
 |
 |
 |
中国词汇量第二的英语词典
更多精彩，登录后发现......
