实用表明，采用该淬火系统大大地提高了生产效率，且淬火件尺寸稳定，硬度均匀。
The press is proved practically of higher quenching efficiency, the quenched parts with better dimension stability and much uniform hardness.
实用表明，采用该淬火系统大大地提高了生产效率，且淬火件尺寸稳定，硬度均匀。
The press is proved practically of higher quenching efficiency, the quenched parts with better dimension stability and much uniform hardness.
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