经过两年多的实际生产过程应用，验证了所开发的斜航线冷却通道加工方法的正确性和可行性。
The two-year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method.
分析了连续挤压多通道铝扁管用硬质合金模具的结构及加工工艺性，对该种模具的加工方法和加工电参数进行了介绍。
The structure and making technology of hard alloy die used for continuously extruding multi - port aluminium flat tubes are analyzed. The way of making die and the process parameters are introduced.
分析了连续挤压多通道铝扁管用硬质合金模具的结构及加工工艺性，对该种模具的加工方法和加工电参数进行了介绍。
The structure and making technology of hard alloy die used for continuously extruding multi - port aluminium flat tubes are analyzed. The way of making die and the process parameters are introduced.
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