In order to improve working environment of hard alloy for mine, replacement of sand blasting by ball milling handling technology is put forward.
对矿用硬质合金的热处理和时效处理，通常采用喷砂工艺，为改善劳动环境，提出球磨处理技术取代喷砂，取得了明显的技术经济效。
In order to improve working environment of hard alloy for mine, replacement of sand blasting by ball milling handling technology is put forward.
对矿用硬质合金的热处理和时效处理，通常采用喷砂工艺，为改善劳动环境，提出球磨处理技术取代喷砂，取得了明显的技术经济效。
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