2020年 平成32年 |
06月 | High-frequency quenching of the bevel gear teeth is carried out(2020年06月08日)The heat treatment process is (820±10) t:, heat preservation is lOmin, and then quenched in 10NaCl … |
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2020年 平成32年 |
06月 | High-frequency quenching of the bevel gear teeth is carried out(2020年06月08日)The heat treatment process is (820±10) t:, heat preservation is lOmin, and then quenched in 10NaCl … |