oxygen free copper 材质无氧铜
Oxygen-free copper [材] 无氧铜 ; 紫铜板 ; 无氧铜导体
spark-free copper nail 不产生火花的铜钉
Oxygen-free copper material 无氧铜材料
cyanide-free copper electroplating 无氰镀铜
cyanide-free copper 无氰镀铜
Free copper oxide 自由氧化铜
Symmetrical diynes were synthesized by ligand-free copper-catalyzed homocoupling reaction.
通过无配体的铜催化均偶联反应合成对称二炔。
Effects of re on technological processing and product properties of oxygen free copper rod in up-drawing casting were studied.
研究了微量稀土对上引法无氧铜杆生产工艺及产品性能的影响。
Technological method of control oxygen content for oxygen-free copper sheets in production process is introduced. There is reference value.
介绍了电真空行业用无氧铜板的生产过程中控制氧含量的工艺方法，以供同类厂家参考。
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