分析了国产油淬火-回火弹簧钢丝的各种质量缺陷，并提出了相应的改善措施。
To analyze every quality defeCts Of oil-tempered spring steel wire made in China, put forward appropriate improvement measures.
分析了国产油淬火-回火弹簧钢丝的各种质量缺陷，并提出了相应的改善措施。
To analyze every quality defeCts Of oil-tempered spring steel wire made in China, put forward appropriate improvement measures.
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