High - carbon microalloyed engine connecting rods for Jetta car were prepared by controlling steel metallurgy, forging process and cooling process.
用高碳微合金非调质钢试制了捷达轿车发动机连杆。
High - carbon microalloyed engine connecting rods for Jetta car were prepared by controlling steel metallurgy, forging process and cooling process.
用高碳微合金非调质钢试制了捷达轿车发动机连杆。
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