1. Txhim kho qhov kub-kub fluidity ntawm cov alloy;
2. Txo shrinkage;
3. Txo qhov nyiam ntawm thermal tawg;
4. Txhim kho hnav tsis kam
Zhenan Silicon Hlau Khoom Zaub

1. Txhim kho qhov kub-kub fluidity ntawm cov alloy;
2. Txo shrinkage;
3. Txo qhov nyiam ntawm thermal tawg;
4. Txhim kho hnav tsis kam
Zhenan Silicon Hlau Khoom Zaub

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