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- copper spent etchants 铜蚀刻废液
- Keywords Lix54-100;spent etchant;copper recover;regeneration; 蚀刻废液;铜回收;再生;
- Keywords centrifugal extractor;centrifugal extraction-stripping process;copper recovery;regeneration of spent etchant; 离心萃取器;离心萃反联合工艺;铜回收;蚀刻液再生;
- She spent an hour in quiet contemplation. 她静静地沉思了一个小时。
- They spent their lives in servitude. 他们在奴役下生活。
- The boys spent the night under canvas. 孩子们在帐篷里过夜。
- I spend most of my time scouting around for book. 我把大部分时间都用来找书了。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- Keywords Emulsion liquid membrane Printed circuit board spent etchant Cupric ions; 液膜法;电路板刻蚀废液;铜离子;
- What color is copper sulphate solution? 硫酸铜溶液是什么颜色?
- I spent my early childhood in my hometown. 我在故乡度过了自己的孩提时代。
- Money spent on business expenses is deductible. 业务方面的开支是可扣除税款的。
- Copper and gold are both metals. 铜和金都是金属。
- We spent every last penny we had on the house. 我们的钱全部用在房子上了。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- A large proportion of my time is spent in studying. 我的大部分时间花在学习上。
- I spent some time in working over these books. 我花了一些时间去好好研究这些书籍。
- I spent what little time I had with my family. 我仅有的那一点时间都与家人在一起度过了。
- What color is copper sulfate solution? 硫酸铜溶液是什么颜色?
- She had spent all her working life in the factory. 她一生的工作时间都是在这座工厂里度过的。