... copper-graphite-bronze alloy 铜-石墨-青铜合金 copper-lead bearing 铜铅合金轴承 copper-lead-bronze alloy 铜-铅-青铜合金 ...
基于147个网页-相关网页
copper-lead bearing 铜铅合金轴承; 铜铅轴承...
基于4个网页-相关网页
copper-lead alloy bearing 铜
copper-lead E bearing 铜铅合金轴承
copper-lead ĥ bearing 铜铅合金轴承
·2,447,543篇论文数据，部分数据来源于NoteExpress
The properties of zinc, lead and copper bearing polymetallic are complicated. The difference of the ore's purity is large. And there are carbon gangues in the ores.
某铜铅锌多金属矿石其矿石性质较为复杂，原矿品位差距较大，且含有碳质脉石。
youdao
应用推荐
模块上移
模块下移
不移动