The research results show that too high copper content in the soil will do damage to Milk Vetch.
研究结果表明： 土壤含铜量过高，对紫云英造成危害；
A novel technology of soda-lead concentrates reverberatory furnace smelting is put forward according to the characteristics of copper dross with low sulfur and high copper content.
针对某冶炼厂生产浮渣含硫低、含铜高的特点，提出了苏打—铅精矿反射炉熔炼新工艺。
The results showed that the steel cord with high copper content possessed better initial adhesion property to rubber, but the adhesion property after aging decreased significantly;
结果表明，高铜镀层钢丝帘线与橡胶的初始粘合性能较好，但其老化后粘合性能下降明显；
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