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Terms for subject Technology containing medium hard | all forms | exact matches only | in specified order only
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medium hard硬度 (的)
medium hard formation中硬地层
medium hard steel中等硬度钢
medium hard steel中硬钢
medium hard white coat中硬度白灰罩面
medium-hard coal-tar pitch半硬质煤焦油沥青
medium-hard coal-tar pitch半硬质煤焦油柏油