合金铸造温度越高，晶粒越粗大。
The higher the casting temperature, the larger the crystal of the keeper.
较低的铸造温度会形成冷疤，熔化金属出现的沙粒或炉渣的累积会导致污点。
Cold shots develop from low casting temperature, and dirt spots result from pickup of sand or slag by molten metal.
采用金属型立式浇铸，严格控制铸造工艺参数(模具温度、浇注温度、浇注速度)，以避免气孔、缩松、冷隔等缺陷的产生。
By using metal mold casting, we can control mold temperature, infusing temperature, infusing speed to avoid defects of pore, cold partition, shrink and loose.
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