The gear -used steels and heat treatment have important effect on gear quality.
齿轮钢材和热处理对齿轮质量有重大的影响。
The adding amount range of rare earths is narrow and different with different steels.
但稀土加入量的合适范围很窄，并且视钢的成份不同而不同。
In order to produce high quality steels, we must tap the potential performance of material.
为了使钢材获得良好的性能，必须发掘材料性能的潜力。
In addition, the production, test, use and future of weathering steels are discussed.
此外，对耐候钢的生产、检验、使用及发展前景也做了阐述。
In addition, the problem of hydrogen attack in steels is also discussed.
此外还讨论了钢中的氢蚀问题。
The common alloy spring steels are the most important spring materials.
通用合金弹簧钢是用途最广、最重要的弹簧材料。
The microstructure and property of the free cutting unquenched plastic die steels have been studied.
研究了易切削系非调质塑料模具钢的组织与性能。
In addition, the problem of hydrogen attack in steels is also disc...
此外还讨论了钢中的氢蚀问题。
Micro alloyed steel is one of the major high tech steels with largest market demand.
微合金钢就是这些“高技术钢材”中用量最大的一种。
Carbon steel: Steels with a carbon as the principal hardening agent.
碳素钢：以碳作为主要强化剂的钢。
Every man is the master of his own fortune — R. Steels, American set theory expert.
每个人都主宰着自己的命运- - -R。斯蒂尔斯，美国数学集论专家。
Every man is the master of his own fortune — R. Steels, American set theory expert.
每个人都主宰着自己的命运- - -R。斯蒂尔斯，美国数学集论专家。
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