A solder paste used for brazing was developed and its technical performance was investigated.
研制了铝硬钎焊用钎料膏,对其工艺性能进行了研究。
Introduce the four stages of voltage transformation vacuum dry method and its technical performance.
介绍变压法真空干燥四个阶段、技术特点。
Abstract: the core part of the car engine, and its technical performance quality is a key factor in determining performance cars.
摘要:发动机是汽车的的核心部分,其技术性能的好坏是决定汽车行驶性能的关键因素。
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