Upgrading of metallurgical technology in copper mines 铜矿的选矿技术进展
2.
Argon - blown pocket block and pocket block should be selected rationally in light of the metallurgical technology and service life of steel ladle 吹氩座砖和水口座砖应根据冶炼工艺情况及钢包使用寿命的不同进行合理选择。
3.
Jiangpai natural diamond die is one the best for the drawing of precision wires . the diamond is selected meticulously to be complete grains with good symmetry free from any foreign substances . it is prepared with advanced powder metallurgical technology that makes the diamond with the strongest strength and antiknock property during the processes 江牌天然金刚石拉丝模对于各种精密线材的拉制是最好的模具之一，采用的天然金刚石是经过精心挑选的，必须是颗粒完整对称性好，没有杂质，又采用先进的粉末冶金技术镶套从而使金刚石在拉拔过程中获得最大的强度和抗爆裂能力。
