Tin welding parts and lead-tin alloy die casting, zinc, beryllium bronze, phosphorus copper alloy in electroplating copper with commonly used before also gets to improve adhesion.
锡焊件、铅锡合金、锌压铸件、铍青铜、磷铜等合金在电镀前也常用预镀铜来改善结合力。
The defects of casting technology and the impurities in copper alloy material cause roughness of faucet surface with large amounts of sand holes.
铸造技术不完善、铜合金原料中的杂质致使水龙头零件表面疏松，并有大量砂眼。
To solve the problems of massive work and low efficiency during Casting Rolling processes design, an expert system for Casting Rolling process design of copper alloy tubes had been developed.
针对铸轧工艺设计工作量大、效率低的问题，进行了“铜合金管材铸轧工艺专家系统”软件的开发。
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