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。
2
Exterior walls and ceilings covered with maintenance-pine relief tempered with bio-based oil.
外墙壁和天花板被涂了生物油的养护松覆盖。
3
Oiltempered wire is specially tempered high carbon steel wire to provide greater strength and abrasion resistance, although its resistance to impact is somewhat lower than regular high carbon steel.