砂型硬度计 autopunch
砂型硬度 mold hardness
干砂型硬度压头 dry sand mold hardness penetrator
湿砂型硬度压头 wet sand mold hardness penetrator
型砂硬度
Hardness of molding sand
以上为机器翻译结果，长、整句建议使用 人工翻译 。
不同真空度下消失模铸型硬度的测试结果表明，消失模铸型的硬度高于普通湿型砂铸型，并且硬度分布更均匀。
The mold hardness under different vacuum degree was tested. The results showed that the mold hardness of EPC process was higher than that of green sand mold and was more uniformly distributed.
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