铸件内在质量很大程度上取决于铸件的充型和凝固过程。
Sound castings are determined in a great extent by the mold filling and solidification processes of castings.
找出国产榨辊比外国榨辊耐磨性低的原因主要是铸造与熔化水平低，铸件内在质量差造成的。
They have found a main reason of poor abrasion resistance of the first cane mill roller is due to its poor casting quality during melting and casting.
铸件尺寸精确，表面光洁度和内在质量稳定。
The casting is accurate in size, surface smooth finish and inherent quality are steady.
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