permanent mould casting 金属型铸造 ; 金属模铸件
permanent mould casting machine 金属型铸造机
semi-permanent mould casting 半永久性铸型铸造
Through the adjustment of coating formula and thickness, the service life and the casting quality of permanent mould could be enhanced.
通过调整涂料的配方与厚度，提高金属型的使用寿命和铸件的品质。
The permanent mould centrifugal casting process used for production of valve seat for internal combustion engine and the material of casting was described.
叙述金属型离心铸造内燃机气门座的工艺方法和材料特点。
Based on the heat exchange characteristic of permanent mould casting, the thermal resistance of coating level becomes the main thermal resistance of the heat transfer.
基于金属型铸造热交换的特点，涂料层的热阻成为传热的主要热阻。
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