多孔金属的制备方法很多，如铸造类方法、粉末冶金类方法、沉积类方法。
There are many ways to produce the porous metal, such as foundry, powder metallurgy and deposition technique.
结构的裂纹多由冶金夹杂物、加工、装配、疲劳载荷和工作环境(如介质、高温等)等一种或几种的联合作用而产生。
The crackle of the structure was produced because of the reasons, such as metallurgical inclusion, processing, assembling, the alternated load and working environment, etc.
可运用此数学模型预报连铸各参数的冶金效果，如铸坯的温度场、液芯长度、凝固壳厚度等。
This model is aimed at forecasting the metallurgical effects of various CC process parameters, such as temperature field, liquid pool deepness and solidification profile.
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